Downloaded 10 times
![@ivar_grimstad#microservices
{ “alg”: “RS256”, “typ”: “JWT}
{
“token-type: “access-token”,
“username”: “duke”,
“scopes”: [
“java”: “everywhere”
],
“exp”: 1474280963,
“iat”: 1474279163
“jti”: “66881b068b249ad9”
}
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Uploaded byJakarta_EE
Building Interoperable Microservices With Eclipse MicroProfile| JakartaOne Livestream
The document discusses building interoperable microservices using Eclipse MicroProfile, detailing components such as externalized configuration, health checks, application metrics, circuit breakers, access tokens, and distributed tracing. It includes practical demos on how to implement these features in Java applications with MicroProfile. The content emphasizes best practices and tools for developing resilient microservices within the Jakarta EE ecosystem.
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Building Interoperable Microservices With Eclipse MicroProfile| JakartaOne Livestream
- 1. COPYRIGHT (C) 2019,ECLIPSE FOUNDATION, INC. | MADE AVAILABLE UNDER THE ECLIPSE PUBLIC LICENSE 2.0 (EPL-2.0) !1 Building Interoperable Microservices with Eclipse MicroProfile Ivar Grimstad Principal Consultant, Cybercom Sweden
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- 8. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE java -jar dukes.jar
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- 11. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 15. @ivar_grimstad#microservices 1. Externalised Configuration 2.Health Check API 3. Application Metrics 4. Circuit Breaker 5. Access Token 6. Distributed Tracing
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- 17. @ivar_grimstad#microservices How to enablea service to run in multiple environments without modification?
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- 19. @ivar_grimstad#microservices System Properties System.getProperties() Environment Variables System.getenv() ApplicationConfiguration META-INF/microprofile-config.properties
- 20. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 23. @ivar_grimstad#microservices How to detectthat a running service instance is unable to handle requests?
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- 25. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 28. @ivar_grimstad#microservices How to understandthe behavior of an application and troubleshoot problems?
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- 30. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 33. @ivar_grimstad#microservices How to preventa network or service failure from cascading to other services?
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- 35. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 38. @ivar_grimstad#microservices How to communicatethe identity of the requestor to the services that handle the request?
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- 40. @ivar_grimstad#microservices POST /hello HTTP/1.1 Host:localhost:8080 Authorization: Basic c25vb3850nBhc3M= User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”}
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- 42. @ivar_grimstad#microservices POST /hello HTTP/1.1 Host:localhost:8080 Authorization: Bearer 2YotnF2FEjrlzCsidMWpAA User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”} POST /hello HTTP/1.1 Host: localhost:8080 Authorization: Basic c25vb3850nBhc3M= User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”} POST /hello HTTP/1.1 Host: localhost:8080 Authorization: Bearer 2YotnF2FEjrlzCsidMWpAA User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”}
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- 44. @ivar_grimstad#microservices POST /hello HTTP/1.1 Host:localhost:8080 Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJ0b2tlbl90eXBlIjoiQ mVhcmVyIiwiYXVkIjoic2ltcGxlYXBwIiwic3ViIjoiYm9iIiwidXBuIjo iYm9iIiwiY3VzdG9tQ2xhaW0iOiJjdXN0b21WYWx1ZSIsImdyb3VwcyI6W yJhZG1pbiIsInVzZXIiXSwiaXNzIjoiaHR0cDovL29wZW5saWJlcnR5Lml vIiwiZXhwIjoxNTI1MzM5MjU5LCJpYXQiOjE1MjUyNTI4NTl9.nDDpCR2w MWsENaDGORQblErOCJ6ii1R-N6iSzVsAz2RoUlvM2PrST2qT6kje-Nz9vc ptbSpOSlF1OuJydvP8Tg3puJKI5vGyL4RMowgJHwdvv7hMZvrK1loNrPfb yv727L9UwJSZMdzL_sibiXDuj-bIBIr6yGjVF86aQnh-PWBV8HHM1iW8l1 _y351lp2CAPkfjKwLU91iIT1jO1QCwItF8Dv-zAzmhd_rOIF58eB809_5r m0MMGIuAXdgUiU2bdEJQCkTWJKNNaSu5oddZzlKaCX4hIgBdrVV6447DM0 i31YRhLpYHfbzh_NlRrRPjGPNgzOIN1RInwPC8jdg_g User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”}
- 45. @ivar_grimstad#microservices POST /hello HTTP/1.1 Host:localhost:8080 Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJ0b2tlbl90eXBlIjoiQ mVhcmVyIiwiYXVkIjoic2ltcGxlYXBwIiwic3ViIjoiYm9iIiwidXBuIjo iYm9iIiwiY3VzdG9tQ2xhaW0iOiJjdXN0b21WYWx1ZSIsImdyb3VwcyI6W yJhZG1pbiIsInVzZXIiXSwiaXNzIjoiaHR0cDovL29wZW5saWJlcnR5Lml vIiwiZXhwIjoxNTI1MzM5MjU5LCJpYXQiOjE1MjUyNTI4NTl9.nDDpCR2w MWsENaDGORQblErOCJ6ii1R-N6iSzVsAz2RoUlvM2PrST2qT6kje-Nz9vc ptbSpOSlF1OuJydvP8Tg3puJKI5vGyL4RMowgJHwdvv7hMZvrK1loNrPfb yv727L9UwJSZMdzL_sibiXDuj-bIBIr6yGjVF86aQnh-PWBV8HHM1iW8l1 _y351lp2CAPkfjKwLU91iIT1jO1QCwItF8Dv-zAzmhd_rOIF58eB809_5r m0MMGIuAXdgUiU2bdEJQCkTWJKNNaSu5oddZzlKaCX4hIgBdrVV6447DM0 i31YRhLpYHfbzh_NlRrRPjGPNgzOIN1RInwPC8jdg_g User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”}
- 46. @ivar_grimstad#microservices ✦Header ✦ JSON, Base64URL Encoded ✦ Algorithm, Type ✦Payload ✦ JSON, Base64 URL Encoded ✦ Standard + Custom entries ✦Signature ✦ Binary, Base64 URL Encoded ✦ The actual signature
- 47. @ivar_grimstad#microservices POST /hello HTTP/1.1 Host:localhost:8080 Authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJ0b2tlbl90eXBlIjoiQ mVhcmVyIiwiYXVkIjoic2ltcGxlYXBwIiwic3ViIjoiYm9iIiwidXBuIjo iYm9iIiwiY3VzdG9tQ2xhaW0iOiJjdXN0b21WYWx1ZSIsImdyb3VwcyI6W yJhZG1pbiIsInVzZXIiXSwiaXNzIjoiaHR0cDovL29wZW5saWJlcnR5Lml vIiwiZXhwIjoxNTI1MzM5MjU5LCJpYXQiOjE1MjUyNTI4NTl9.nDDpCR2w MWsENaDGORQblErOCJ6ii1R-N6iSzVsAz2RoUlvM2PrST2qT6kje-Nz9vc ptbSpOSlF1OuJydvP8Tg3puJKI5vGyL4RMowgJHwdvv7hMZvrK1loNrPfb yv727L9UwJSZMdzL_sibiXDuj-bIBIr6yGjVF86aQnh-PWBV8HHM1iW8l1 _y351lp2CAPkfjKwLU91iIT1jO1QCwItF8Dv-zAzmhd_rOIF58eB809_5r m0MMGIuAXdgUiU2bdEJQCkTWJKNNaSu5oddZzlKaCX4hIgBdrVV6447DM0 i31YRhLpYHfbzh_NlRrRPjGPNgzOIN1RInwPC8jdg_g User-Agent: HTTPie/0.9.9 Accept: */* Content-Type: application/json Content-Length: 26 {“message”:“Hello, Duke!”}
- 48. @ivar_grimstad#microservices { “alg”: “RS256”,“typ”: “JWT} { “token-type: “access-token”, “username”: “duke”, “scopes”: [ “java”: “everywhere” ], “exp”: 1474280963, “iat”: 1474279163 “jti”: “66881b068b249ad9” } nDDpCR2wMWsENaDGORQblErOCJ6ii1R-N6iSzVsAz2RoUlvM2PrST2qT6kje-Nz 9vcptbSpOSlF1OuJydvP8Tg3puJKI5vGyL4RMowg-JHwdvv7hMZvrK1loNrPfby v727L9UwJSZMdzL_sibiXDuj-bIBIr6yGjVF86aQnh-PWBV8HHM1iW8l1_y351l p2CAPkfjKwLU91iIT1jO1QCwItF8Dv-zAzmhd_rOIF58eB809_5rm0MMGIuAXdg UiU2bdEJQCkTWJKNNaSu5oddZzlKaCX4hIgBdrVV6447DM0i31YRhLpYHfbzh_N lRrRPjGPNgzOIN1RInwPC8jdg_g
- 49. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 52. @ivar_grimstad#microservices How to understandthe behavior of an application and troubleshoot problems?
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- 54. @ivar_grimstad#MicroProfile #JavaEE #EE4J#JakartaEE
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- 56. @ivar_grimstad#microservices hello capitalizebirthday Retry + Fallback Fallback http://localhost:8181/hello?name=duke http://localhost:8282/birthday/duke?date=1995-05-23 http://localhost:8080/capitalize/duke { name: "Duke", daysToBirthday: 304, daysSinceBirthday: 62, age: 24 } Duke Hello Duke!You are 24 years old. It has gone 62 days since your birthday and it is 304 days left to your next... Response Response Response Ope
- 57. COPYRIGHT (C) 2019,ECLIPSE FOUNDATION, INC. | MADE AVAILABLE UNDER THE ECLIPSE PUBLIC LICENSE 2.0 (EPL-2.0) !57 Summary
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- 61. COPYRIGHT (C) 2019,ECLIPSE FOUNDATION, INC. | MADE AVAILABLE UNDER THE ECLIPSE PUBLIC LICENSE 2.0 (EPL-2.0) !61 Thank you!