Implement a postgresql database on Heroku python / flask / marshmallow application for your IoT project

1. Implementing a Database and
API for your Cloud Service
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2. Get started
• We will use Python for our Cloud service
• Part 1: Heroku
• https://www.heroku.com
• Install heroku cli tools
• https://devcenter.heroku.com/articles/heroku-cli
• Read about git
• https://git-scm.com/book/en/v2/Getting-Started-Git-Basics
• Be sure to have git installed on your system
• https://git-scm.com/download/win
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3. Create Heroku app
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4. Create Local directory
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5. Create “requirements.txt” file
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6. Create “Procfile” file
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7. Create “dbApp.py”
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8. Create “dbApp.py”
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9. Create “dbApp.py”
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10. Create postgresql database
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11. Set Remote git repo
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12. git commands
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13. Git push heroku master
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14. Git push heroku master
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15. Heroku run python
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16. Create db
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17. Manual test db
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18. Manual add db value
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>>> exit()

19. Webbrowser view
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20. Webbrowser view
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21. ToDo
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• Test API using CURL
• Alternative: Postman plugin Google Chrome

22. • More info: vincent[at]cteq.eu
• https://www.linkedin.com/in/vincentclaes/
• You can contact me for IoT, Embedded Systems (HW, SW, FPGA,
ARM,…) and ML/AI projects (R and Python).
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