The document discusses setting up a Docker PostgreSQL environment in 3 steps:
1. Download and install Docker
2. Download the PostgreSQL Docker image from Docker Hub
3. Install PGAdmin, a GUI tool, to connect to and manage the PostgreSQL database running in the Docker container
Docker Java App with MariaDB – Deployment in Less than a Minutedchq
DCHQ is a deployment automation, life-cycle management & governance platform for Docker-based applications. Developers can model, deploy, backup, update and monitor container-based applications in seconds.
Docker for Developers talk from the San Antonio Web Dev Meetup in Aug 2023
Never used Docker? This is perfect for you!
New to Docker? You'll learn something for sure!
Links included for all slides, code, and examples
Go from no Docker experience to a fully running web app in one slide deck!
The Axigen Docker image is provided for users to be able to run an Axigen based mail service within a Docker container.
The following services are enabled and mapped as 'exposed' TCP ports in Docker:
§ SMTP (25 - non secure, 465 - TLS)
§ IMAP (143 - non secure, 993 - TLS)
§ POP3 (110 - non secure, 995 - TLS)
§ WEBMAIL (80 - non secure, 443 - TLS)
§ WEBADMIN (9000 - non secure, 9443 - TLS)
CLI (7000 - non secure
An introduction to the Docker concept. Experiences with ASP.NET Core and Docker, How Docker can help produce modular deployments for ASP.NET web applications. Presented at Vermont Code Camp #8, UVM, Burlington VT, September 17, 2016
The presentation describes the functionality as well as the advantages of a project undertaken by us in the Cloud Computing course whereby we build a PaaS using Docker.
The link to the project is :
https://github.com/kanika2107/Paas_with_Docker_CloudProject
Demo video : https://www.youtube.com/watch?v=2h-hodrzTu8&feature=youtu.be
#IIITHyderabad #CloudComputing #CSE565 #Monsoon15 #SIEL #Docker #PaaS #Apache #Containers #PHP #SQL #HTML #Web2Py
End-to-End Machine Learning Pipeline with Docker Enterprise and Kubeflow
Try it out using Docker for Desktop: https://github.com/dockersamples/docker-hub-ml-project
Enjoy!
Docker Java App with MariaDB – Deployment in Less than a Minutedchq
DCHQ is a deployment automation, life-cycle management & governance platform for Docker-based applications. Developers can model, deploy, backup, update and monitor container-based applications in seconds.
Docker for Developers talk from the San Antonio Web Dev Meetup in Aug 2023
Never used Docker? This is perfect for you!
New to Docker? You'll learn something for sure!
Links included for all slides, code, and examples
Go from no Docker experience to a fully running web app in one slide deck!
The Axigen Docker image is provided for users to be able to run an Axigen based mail service within a Docker container.
The following services are enabled and mapped as 'exposed' TCP ports in Docker:
§ SMTP (25 - non secure, 465 - TLS)
§ IMAP (143 - non secure, 993 - TLS)
§ POP3 (110 - non secure, 995 - TLS)
§ WEBMAIL (80 - non secure, 443 - TLS)
§ WEBADMIN (9000 - non secure, 9443 - TLS)
CLI (7000 - non secure
An introduction to the Docker concept. Experiences with ASP.NET Core and Docker, How Docker can help produce modular deployments for ASP.NET web applications. Presented at Vermont Code Camp #8, UVM, Burlington VT, September 17, 2016
The presentation describes the functionality as well as the advantages of a project undertaken by us in the Cloud Computing course whereby we build a PaaS using Docker.
The link to the project is :
https://github.com/kanika2107/Paas_with_Docker_CloudProject
Demo video : https://www.youtube.com/watch?v=2h-hodrzTu8&feature=youtu.be
#IIITHyderabad #CloudComputing #CSE565 #Monsoon15 #SIEL #Docker #PaaS #Apache #Containers #PHP #SQL #HTML #Web2Py
End-to-End Machine Learning Pipeline with Docker Enterprise and Kubeflow
Try it out using Docker for Desktop: https://github.com/dockersamples/docker-hub-ml-project
Enjoy!
This presentation gives a brief understanding of docker architecture, explains what docker is not, followed by a description of basic commands and explains CD/CI as an application of docker.
This presentation by Andrew Aslinger discusses best practices and pitfalls of integrating Docker into Continuous Delivery Pipelines. Learn how Andrew and his team used Docker to replace Chef to simplify their development and migration processes.
Docker containers have been making inroads into Windows and Azure world. Docker has now replaced the traditional Azure IaaS & PaaS services, offering superior container versions which are more responsive, cost effective, and agile. In this session for Charlotte Azure User Group, we will take an in-depth look at the intersection of Docker and Azure, and how Docker is empowering next gen Azure services.
Here's the link to CAG meetup for the event - https://www.meetup.com/Charlotte-Microsoft-Azure/events/fpftgmyxjbjb/
Why NBC Universal Migrated to MongoDB AtlasDatavail
NBCUniversal, a worldwide mass media corporation, was looking for a more affordable and easier way to manage their database solution that hosts their extensive online digital assets. With Datavail’s assistance, NBCUniversal made the move from MongoDB 3.6 to MongoDB Atlas on AWS.
In this presentation, learn how making this move enabled the entertainment titan to reduce overhead and labor costs associated with managing its database environment.
Improving build solutions dependency management with webpackNodeXperts
Do you know ? - " The fine art of Webpack "
Topics Covered :
- What are Build Tools ?
- What is a Dependency graph ?
- What is webpack & its impacts
- What is a webpack config file and how is it written ?
- Webpack VS Grunt/Gulp & Browserify
Rough presentation about the aspects and problems that you have to deal with when you build a system based on Docker. Presentation done for the Docker Amsterdam meetup.
Docker is in all the news and this talk presents you the technology and shows you how to leverage it to build your applications according to the 12 factor application model.
Accelerate your software development with DockerAndrey Hristov
Docker is in all the news and this talk presents you the technology and shows you how to leverage it to build your applications according to the 12 factor application model.
Node.js and the MEAN Stack Building Full-Stack Web Applications.pdflubnayasminsebl
Welcome To
Node.js and the MEAN Stack: Building Full-Stack Web Applications
Nowadays, picking the best web app development technology is difficult. Because there are so many programming languages, frameworks, and technologies available right now, it can be challenging for business owners and entrepreneurs to SEO Expate Bangladesh Ltd choose the best development tool. Maintaining project efficiency has now become crucial in the era of web app development. Your firm will incur more expenses as you delay doing the assignment. A ground-breaking technology with distinctive characteristics, Node.js for web development. It is regarded by developers as one of the most successful cross-platform JavaScript environments for building reliable and powerful REST APIs, mobile applications, and online applications.
Describe Node.js
Node.js is a standalone runtime environment, not just a library or framework. It is dependent on Chrome's V8, a JavaScript engine capable of NodeJs Web Development running application code independently of the operating system or type of browser. Node.js is regarded as a standalone application on any machine because of its independence.
Frameworks for web applications
Any Node.js web application will require the web application framework as one of its most crucial requirements. Although the HTTP module allows you to construct your own, it is strongly advised that you build on the shoulders of others who came before you and utilize their work. If you haven't already decided which is your favorite, there are SEO Expate Bangladesh Ltd several to chose from. Express has a higher developer share than all other frameworks combined, according to a report by Eran Hammer. Second place went to Hammer's own Hapi.js, while many other frameworks followed with smaller market shares. In this situation, Express is not only the most widely used but also provides you with the best possibility of being able to pick up most new codebases rapidly. Additionally.
Security
Although web security has always been important, recent breaches and problems have made it absolutely essential. Learn about the OWASP Top 10, a list of the most significant internet security issues that is periodically updated. You can use this list to find potential security gaps in your application and conduct an audit there. Find out how to give your web application secure authentication. Popular middleware called Passport is used to authenticate users using many types of schemes. Learn effective Node.js encryption techniques. The hashing method known as Bcrypt is also the name of a popular npm package for encryption. Despite the probability that your code is secure, there is always a chance that one of your dependencies.
The front end
Although writing Node.js code for the back end of a website makes up a big portion of the job description for a Node.js Web Developer, you will probably also need to work on the front end occasionally to design the user interface. The occasional mo
Azure Identity (AD,ADFS 2.0,AAD,ADB2C,OAuth,OpenID,PingID,AD Custom Policies) ,
Azure PaaS (Azure Functions, Serverless computing, Azure Comsos DB, Webhooks, API Apps, Logic Apps, Kudu, Azure Websites), Azure Functions, Lamda Function, Event Functions, Serverless architecture, Implementing azure functions on GIT HUB comment feature, Why Azure Functions, Azure Virtual Machines, Azure Cloud Services, Azure Web Apps & WebJobs, Service Fabric, Consumption Plans, Billing Model, Benefits of Azure Functions, What is serverless, Implementing bigger solutions into smaller azure functions, Microservices, Use cases, Function App, Implementation storing unstructured data using Azure functions into Cosmos DB, Cosmos DB, Custom Azure functions, Azure Cosmos DB, IOTS, Document DB, Doc DB, How to setup a Jenkins build server and automatically trigger code from Visual studio online,Azure App Service, App service Environment, Azure Stack, Managing Azure App services, Azure Powershell, Azure CLI, REST APIS, Azure Portal, Templates, Kudu Console access, Run GIT Commands on Kudu Console, Locking Azure Resources, Configuring Custom Domains, Adding Extensions to Azure Web App/Websites, App service Deployment options, Data Services in Azure , Azure SQL, Azure SQL server, Azure SQL database vs SQL server in a Azure VM, SQL Tiers, DTU, Data Transactional Unit, Planning & provisioning azure SQL databases,Migrating SQL Databases, Azure SQL Server, SQL server transactional replication, Deploy database to Microsoft Azure Database Wizard, DAC package, DAC, SQL compatibility issues, Migrating SQL with downtime, DMA, Data Migration Assistant, Database Snapshot, Migrating SQL without downtime, DTU, Data Transactional Unit, Recommendations for best performance during SQL Import Process, Transactional Replication, T-SQL, Task to implement what ever you learnt till now,
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
This presentation gives a brief understanding of docker architecture, explains what docker is not, followed by a description of basic commands and explains CD/CI as an application of docker.
This presentation by Andrew Aslinger discusses best practices and pitfalls of integrating Docker into Continuous Delivery Pipelines. Learn how Andrew and his team used Docker to replace Chef to simplify their development and migration processes.
Docker containers have been making inroads into Windows and Azure world. Docker has now replaced the traditional Azure IaaS & PaaS services, offering superior container versions which are more responsive, cost effective, and agile. In this session for Charlotte Azure User Group, we will take an in-depth look at the intersection of Docker and Azure, and how Docker is empowering next gen Azure services.
Here's the link to CAG meetup for the event - https://www.meetup.com/Charlotte-Microsoft-Azure/events/fpftgmyxjbjb/
Why NBC Universal Migrated to MongoDB AtlasDatavail
NBCUniversal, a worldwide mass media corporation, was looking for a more affordable and easier way to manage their database solution that hosts their extensive online digital assets. With Datavail’s assistance, NBCUniversal made the move from MongoDB 3.6 to MongoDB Atlas on AWS.
In this presentation, learn how making this move enabled the entertainment titan to reduce overhead and labor costs associated with managing its database environment.
Improving build solutions dependency management with webpackNodeXperts
Do you know ? - " The fine art of Webpack "
Topics Covered :
- What are Build Tools ?
- What is a Dependency graph ?
- What is webpack & its impacts
- What is a webpack config file and how is it written ?
- Webpack VS Grunt/Gulp & Browserify
Rough presentation about the aspects and problems that you have to deal with when you build a system based on Docker. Presentation done for the Docker Amsterdam meetup.
Docker is in all the news and this talk presents you the technology and shows you how to leverage it to build your applications according to the 12 factor application model.
Accelerate your software development with DockerAndrey Hristov
Docker is in all the news and this talk presents you the technology and shows you how to leverage it to build your applications according to the 12 factor application model.
Node.js and the MEAN Stack Building Full-Stack Web Applications.pdflubnayasminsebl
Welcome To
Node.js and the MEAN Stack: Building Full-Stack Web Applications
Nowadays, picking the best web app development technology is difficult. Because there are so many programming languages, frameworks, and technologies available right now, it can be challenging for business owners and entrepreneurs to SEO Expate Bangladesh Ltd choose the best development tool. Maintaining project efficiency has now become crucial in the era of web app development. Your firm will incur more expenses as you delay doing the assignment. A ground-breaking technology with distinctive characteristics, Node.js for web development. It is regarded by developers as one of the most successful cross-platform JavaScript environments for building reliable and powerful REST APIs, mobile applications, and online applications.
Describe Node.js
Node.js is a standalone runtime environment, not just a library or framework. It is dependent on Chrome's V8, a JavaScript engine capable of NodeJs Web Development running application code independently of the operating system or type of browser. Node.js is regarded as a standalone application on any machine because of its independence.
Frameworks for web applications
Any Node.js web application will require the web application framework as one of its most crucial requirements. Although the HTTP module allows you to construct your own, it is strongly advised that you build on the shoulders of others who came before you and utilize their work. If you haven't already decided which is your favorite, there are SEO Expate Bangladesh Ltd several to chose from. Express has a higher developer share than all other frameworks combined, according to a report by Eran Hammer. Second place went to Hammer's own Hapi.js, while many other frameworks followed with smaller market shares. In this situation, Express is not only the most widely used but also provides you with the best possibility of being able to pick up most new codebases rapidly. Additionally.
Security
Although web security has always been important, recent breaches and problems have made it absolutely essential. Learn about the OWASP Top 10, a list of the most significant internet security issues that is periodically updated. You can use this list to find potential security gaps in your application and conduct an audit there. Find out how to give your web application secure authentication. Popular middleware called Passport is used to authenticate users using many types of schemes. Learn effective Node.js encryption techniques. The hashing method known as Bcrypt is also the name of a popular npm package for encryption. Despite the probability that your code is secure, there is always a chance that one of your dependencies.
The front end
Although writing Node.js code for the back end of a website makes up a big portion of the job description for a Node.js Web Developer, you will probably also need to work on the front end occasionally to design the user interface. The occasional mo
Azure Identity (AD,ADFS 2.0,AAD,ADB2C,OAuth,OpenID,PingID,AD Custom Policies) ,
Azure PaaS (Azure Functions, Serverless computing, Azure Comsos DB, Webhooks, API Apps, Logic Apps, Kudu, Azure Websites), Azure Functions, Lamda Function, Event Functions, Serverless architecture, Implementing azure functions on GIT HUB comment feature, Why Azure Functions, Azure Virtual Machines, Azure Cloud Services, Azure Web Apps & WebJobs, Service Fabric, Consumption Plans, Billing Model, Benefits of Azure Functions, What is serverless, Implementing bigger solutions into smaller azure functions, Microservices, Use cases, Function App, Implementation storing unstructured data using Azure functions into Cosmos DB, Cosmos DB, Custom Azure functions, Azure Cosmos DB, IOTS, Document DB, Doc DB, How to setup a Jenkins build server and automatically trigger code from Visual studio online,Azure App Service, App service Environment, Azure Stack, Managing Azure App services, Azure Powershell, Azure CLI, REST APIS, Azure Portal, Templates, Kudu Console access, Run GIT Commands on Kudu Console, Locking Azure Resources, Configuring Custom Domains, Adding Extensions to Azure Web App/Websites, App service Deployment options, Data Services in Azure , Azure SQL, Azure SQL server, Azure SQL database vs SQL server in a Azure VM, SQL Tiers, DTU, Data Transactional Unit, Planning & provisioning azure SQL databases,Migrating SQL Databases, Azure SQL Server, SQL server transactional replication, Deploy database to Microsoft Azure Database Wizard, DAC package, DAC, SQL compatibility issues, Migrating SQL with downtime, DMA, Data Migration Assistant, Database Snapshot, Migrating SQL without downtime, DTU, Data Transactional Unit, Recommendations for best performance during SQL Import Process, Transactional Replication, T-SQL, Task to implement what ever you learnt till now,
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Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
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Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
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My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
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3 Easy Steps to Install Docker PostgreSQL Environment.pdf
1. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 1/15
3 Easy Steps to Install Docker
PostgreSQL Environment
Ishwarya M on Data Integration, Database Management Systems • February 7th, 2022 •
WRITE FOR HEVO
One of the most important phases of the Software Development Life Cycle
(SDLC) is Data Processing. This involves actions like Data Joining, Data
Cleaning, Data Filtering, and more. Usually, developers use Database
Management Applications like MySQL and PostgreSQL to implement Data
Processing Operations. Besides, while developing such applications,
developers work with several temporary software that get employed at
different phases of their SDLC.
To run different applications and processes, developers use Docker as a
containerization platform. It omits the need to install and run applications in
different environments. Developers can perform Data Processing Operations
using any Database Management System (DBMS) like PostgreSQL by pulling in
their respective Docker Image files from the Docker Hub.
In this blog, you will learn about the process of setting up a Docker PostgreSQL
environment. We’ll show how you can install, configure, and run PostgreSQL on
Docker in 3 simple steps. Read on to get started.
Table of Contents
Prerequisites for Setting Up Docker PostgreSQL Environment
What is PostgreSQL?
What is Docker?
2. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 2/15
3 Steps to Setup Docker PostgreSQL Environment
Step 1: Download and Install Docker
Step 2: Download Docker PostgreSQL Image
Step 3: Install PGAdmin on Docker
Conclusion
Prerequisites for Setting Up Docker PostgreSQL
Environment
A fundamental understanding of Data Processing Operations and Database
Management Systems (DBMS) like PostgreSQL.
What is PostgreSQL?
Image Source: PostgreSQL
Developed in the late 1980s, PostgreSQL is an Open-Source Relational
Database Management System (RDBMS) with more than 30 years of active
development history. Although PostgreSQL has object-oriented features for
handling unstructured data, it is widely used as a Relational Database.
PostgreSQL supports both SQL and JSON to implement relational and non-
relational queries on data present inside databases. In other words, with
PostgreSQL, you can write SQL commands to process data present in tables
that belong to the respective database servers. Because of its vast features
and functionalities, PostgreSQL is reportedly ranked 4th among the most
popular databases worldwide.
In case, if your website or application uses lots of reading queries, we
recommend you replicate your primary database (Master-Slave Replication).
For more details, check out this blog piece here- How To Achieve PostgreSQL
Master-Slave Replication?
3. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 3/15
What is Docker?
Image Source: Docker
Developed by Solomon Hykes in 2013, Docker is an Open-Source software tool
that allows you to quickly build, test, manage, and deploy applications. It carries
multiple containers that comprise all executable packages and dependencies
required to run an application. Docker Containers are built using Docker
Images, a template that comprises all the parameters and instructions required
to run a particular application.
You can access different Docker Containers by signing up on an online cloud
repository called Docker Hub. From the Docker Hub, you can easily pull or
download pre-configured Docker Containers, like Docker PostgreSQL
Container to execute specific applications based on your requirements.
If you are a software developer, you can also upload and share your own
applications in the form of Docker images that can be used by other Docker
users to try and execute your application.
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4. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 4/15
It’s a completely Automated Pipeline that offers data to be delivered in
real-time without any loss from Source to Destination. Its fault-tolerant
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3 Steps to Setup Docker PostgreSQL Environment
In the sections below, we show you a step-by-step process to install, set up,
and run Docker PostgreSQL Environment.
Step 1: Download and Install Docker
5. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 5/15
Image Source: Self
Before starting the application setup process for Docker PostgreSQL
Environment, you are required to download and install Docker on your local
machine. To download the application, visit the official website of Docker. On
the welcome page of the Docker website, click on the “Get-Started” option.
You will be redirected to the download page, where you can download the
Docker version according to your operating system specifications.
Select the preferred option to start the downloading process. After the Docker
setup file is downloaded, install it on your local machine by following the
installation steps.
Image Source: Self
Next, you can sign in on Docker Hub, from where you can access the Docker
Image files. This will be used to run external applications like PostgreSQL.
Step 2: Download Docker PostgreSQL Image
There are two different ways to download Docker PostgreSQL Image that
allows you to set up PostgreSQL on Docker. One is by directly accessing it from
the Docker Hub’s website. The other method is by pulling the Docker
PostgreSQL Image from default Command Line Interface (CLI) tools like
Command Prompt or Power Shell.
If you are opting for method one:
To download Docker PostgreSQL Image, visit Docker Hub using your
previously created user account.
6. 12/9/22, 19:06 3 Easy Steps to Install Docker PostgreSQL Environment
https://hevodata.com/learn/docker-postgresql/ 6/15
On the welcome page, you can find a search bar at the top. Type
“PostgreSQL” to get the Docker Image of the respective application. You can
find various Docker Images related to the PostgreSQL database.
On clicking on the appropriate file, you will be redirected to a new page where
you can find the command used to access the Docker Image file. Copy and
make a note of the respective command. Run this into your Command Prompt
to install the PostgreSQL instance.
Another way to pull Docker PostgreSQL Image is by accessing it using the
Command Prompt instead of reaching its website. To do so, follow these steps:
Open a new command window, and run the command given below.
docker pull postgres
To obtain the list of existing Docker Images, run the following command.
docker images
In the next step, you can enter the command you copied from the Docker
Hub in the Command Prompt.
docker run --name some-postgres -e
POSTGRES_PASSWORD=mysecretpassword -d postgres
The above-given command should be customized and added with the
necessary parameters to work properly for setting up PostgreSQL on
Docker.
docker run --name postgresql -e POSTGRES_USER=myusername -e
POSTGRES_PASSWORD=mypassword -p 5432:5432 -v
/data:/var/lib/postgresql/data -d postgres
In the command given above,
PostgreSQL is the name of the Docker Container.
-e POSTGRES_USER is the parameter that sets a unique username to the
Postgres database.
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-e POSTGRES_PASSWORD is the parameter that allows you to set the
password of the Postgres database.
-p 5432:5432 is the parameter that establishes a connection between the
Host Port and Docker Container Port. In this case, both ports are given as
5432, which indicates requests sent to the Host Ports will automatically
redirect to the Docker Container Port. In addition, 5432 is also the same port
where PostgreSQL will be accepting requests from the client.
-v is the parameter that synchronizes the Postgres data with the local folder.
This ensures that Postgres data will be safely present within the Home
Directory even if the Docker Container is terminated.
-d is the parameter that runs the Docker Container in the detached mode,
i.e., in the background. If you accidentally close or terminate the Command
Prompt, the Docker Container will still run in the background.
postgres is the name of the Docker image that was previously downloaded
to run the Docker Container.
Now, execute docker ps -a to check the status of the newly created
PostgreSQL container.
Image Source: DEV Comminity
On executing the command, you get the output, as shown in the above image.
It shows that Docker Container is running successfully on port 5432. You can
start and stop the newly created Docker Container by running the following
commands.
For starting the Docker Container:
docker start postgresqldb
For stopping the Docker Container:
docker stop postgresqldb
There you have it. You have now successfully created a Docker Container
running the PostgreSQL Environment.
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Step 3: Install PGAdmin on Docker
At this stage of setting up the Docker PostgreSQL Environment, your
PostgreSQL is active and running on the respective ports. Now, you have to
install the PGAdmin, a web-based GUI tool used to manage PostgreSQL
databases and services. You can install PGAdmin to check whether your
Docker Containers are working fine and execute SQL queries on databases
present in PostgreSQL.
To download PGADmin, perform these steps:
Visit Docker Hub and search for PgAdmin. You can find various Docker
Images to run PGAdmin. Select the appropriate one and copy the Docker
pull command (Follow this link to get the “Docker pull” command, which
pulls the PGAdmin4 version. You can also get the respective PGAdmin
versions according to your preferences).
Execute the pull command to start PGAdmin.
docker pull dpage/pgadmin4:latest
After downloading the image, run the container by executing the command
given below.
docker run --name my-pgadmin -p 82:80 -e
'PGADMIN_DEFAULT_EMAIL=user@domain.local' -e
'PGADMIN_DEFAULT_PASSWORD=postgresmaster'-d dpage/pgadmin4
In the above-given command, my-pgadmin is the name of the Docker
PostgreSQL PGAdmin Container. PGADMIN_DEFAULT_EMAIL and
PGADMIN_DEFAULT_PASSWORD are the username and password for the
Docker PostgreSQL container, respectively.
Following this, open your browser and search for the web address
http://localhost:8081/. It will redirect you to the welcome page of the
PGAdmin 4 Web Instance.
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Image Source: DEV Comminity
On the welcome page, it will ask you to enter the username and password of
PGAdmin 4.
Enter the credentials you defined while running the Docker Container of
PGAdmin.
Image Source: DEV Comminity
Upon logging in with PGAdmin 4, you will see the main page where you
have to set up a connection between the GUI tool and the Postgres server.
Click on the “Add New Server” icon on the main page. It will open a new
dialogue box asking you to fill two mandatory fields, such as “General” and
“Connection.”
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Image Source: DEV Comminity
In the General tab, provide a name to uniquely identify the connection
between PostgreSQL and PGAdmin 4. Then, fill the Server group by
selecting the Server options from the drop-down menu.
Now, switch to the Connection tab under the same dialogue box and fill the
required fields.
Image Source: DEV Comminity
Before filling in the connection details, you have to execute the following
command to get the required information about connection settings.
docker inspect postgresql -f “{{json .NetworkSettings.Networks
}}”
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The above-given command will display your connection details in JSON
format.
In the connection tab, you can fill in the Hostname/address details according
to the docker inspect command’s output.
Fill the port value as 5432 that runs the Docker PostgreSQL Container and
provide the name of the database as postgres. Then, fill the username and
password fields with the credentials you created while running the PGAdmin
container.
After providing all required details, click on the “Save” button.
Image Source: DEV Comminity
Now, your PGAdmin is connected to the Docker Postgres instance. You can see
the newly created instance in the left side panel that confirms that the
connection is successfully established between PGAdmin and Postgres.
In the PGAdmin dashboard, you can fully manage the PostgreSQL Instance that
runs on the Docker Container and completely manage Docker PostgreSQL
Environment. You can also query the PostgreSQL database by writing
commands using the “Query Tool” from the PGAdmin dashboard.
Using following the above-mentioned steps, you have successfully installed
and set up a Docker Postgres Instance on Docker.
Conclusion
In this article, you learned about Docker PostgreSQL Container, how to install,
set up, and run the Docker Postgres Instance on your Docker. Since this blog
mainly focused on managing Postgres instances using the web-based tool or
interface called PGAdmin, you have learned the GUI way of interacting with
Postgre instances on Docker. However, you can also use CLI (Command Line
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Interface tools) to connect with the PSQL server for executing queries on
databases present in PostgreSQL.
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Docker PostgreSQL Docker PostgreSQL Container
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