Todo and Hello World Rest APIs Connecting to H2 In memory database running on port 5000

Run RestfulWebServicesApplication as a Java Application.

Containerization

Troubleshooting

• Problem - Caused by: com.spotify.docker.client.shaded.javax.ws.rs.ProcessingException: java.io.IOException: No such file or directory
• Solution - Check if docker is up and running!
• Problem - Error creating the Docker image on MacOS - java.io.IOException: Cannot run program “docker-credential-osxkeychain”: error=2, No such file or directory
• Solution - https://medium.com/@dakshika/error-creating-the-docker-image-on-macos-wso2-enterprise-integrator-tooling-dfb5b537b44e

Creating Containers

• mvn package
• docker run in28min/todo-rest-api-h2:0.0.1-SNAPSHOT
• docker run -p 5000:5000 in28min/todo-rest-api-h2:0.0.1-SNAPSHOT
• docker run -p 5000:5000 in28min/todo-rest-api-h2:1.0.0.RELEASE

To test execute API at http://localhost:5000/users/in28minutes/todos.

docker login

Hello World URLS

• http://localhost:5000/hello-world

Hello World

• http://localhost:5000/hello-world-bean

{"message":"Hello World - Changed"}

• http://localhost:5000/hello-world/path-variable/in28minutes

{"message":"Hello World, in28minutes"}

Todo JPA Resource URLs

• GET - http://localhost:5000/jpa/users/api/todos

[
  {
    "id": 10001,
    "username": "addd",
    "description": "Learn JPA",
    "targetDate": "2019-06-27T06:30:30.696+0000",
    "done": false
  },
  {
    "id": 10002,
    "username": "add2",
    "description": "Learn Data JPA",
    "targetDate": "2019-06-27T06:30:30.700+0000",
    "done": false
  },
  {
    "id": 10003,
    "username": "adde3",
    "description": "Learn Microservices",
    "targetDate": "2019-06-27T06:30:30.701+0000",
    "done": false
  }
]

Retrieve a specific todo

• GET - http://localhost:5000/jpa/users/api/todos/10001

{
  "id": 10001,
  "username": "in28minutes",
  "description": "Learn JPA",
  "targetDate": "2019-06-27T06:30:30.696+0000",
  "done": false
}

Creating a new todo

• POST to http://localhost:5000/jpa/users/api/todos with BODY of Request given below

{
  "username": "in28minutes",
  "description": "Learn to Drive a Car",
  "targetDate": "2030-11-09T10:49:23.566+0000",
  "done": false
}

Updating a new todo

• http://localhost:5000/jpa/users/api/todos/10001 with BODY of Request given below

{
  "id": 10001,
  "username": "dssd",
  "description": "Learn to Drive a Car",
  "targetDate": "2045-11-09T10:49:23.566+0000",
  "done": false
}

Delete todo

• DELETE to http://localhost:5000/jpa/users/api/todos/10001

H2 Console

• http://localhost:5000/h2-console
• Use jdbc:h2:mem:testdb as JDBC URL

Azure Resource Commands

az group create --name container-resource-group --location westeurope
az appservice plan create --name container-service-plan --resource-group container-resource-group --sku P1v2 --is-linux
az webapp create --resource-group container-resource-group --plan container-service-plan --name todo-rest-api-h2-container --deployment-container-image-name in28min/todo-rest-api-h2:1.0.0.RELEASE

Continuous Deployment

• https://docs.microsoft.com/en-us/azure/app-service/containers/app-service-linux-ci-cd
• https://docs.docker.com/docker-hub/webhooks/