How can one make a call to a Spring Boot REST Endpoint from an ArangoDB Foxx service within a Docker network?

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To make a call to a Spring Boot REST endpoint from an ArangoDB Foxx service within a Docker network, you can use the following steps:

1. Provide a name to both the Spring Boot app and the ArangoDB container:

   docker run --name spring-boot-app -p 8080:8080 myimage
   docker run --name arangodb -p 8529:8529 myimage
   

2. Create a Docker network:

   docker network create mynetwork
   

3. Attach both containers to the network:

   docker network connect mynetwork spring-boot-app
   docker network connect mynetwork arangodb
   

4. Modify the Foxx service code to use the DNS name of the Spring Boot container to send a HTTP request:

   const url = 'http://spring-boot-app:8080/api/endpoint';
   const response = request.post(url, { body: { data } });
   

   • The spring-boot-app refers to the name given to the Spring Boot container in step 1.
   • 8080 is the port that the Spring Boot app is exposed on.
   • /api/endpoint is the path of the REST endpoint on the Spring Boot app.

5. Use the docker-compose tool to automate the process:

   version: "3.9"
   services:
    spring-boot:
      build: ./spring-boot
      ports:
        - "8080:8080"
      networks:
        - mynetwork
    arangodb:
      build: ./arangodb
      ports:
        - "8529:8529"
      networks:
        - mynetwork
   networks:
    mynetwork:
      driver: bridge
   

   • Use the networks parameter to specify the network to connect the container to.
   • mynetwork is the name of the network created in step 2.

By following the above steps, you can make a call to a Spring Boot REST endpoint from an ArangoDB Foxx service within a Docker network.