This project contains various examples of using Apache Spark with Java, including reading from JSON files and MongoDB. The project is structured to demonstrate different use cases in separate classes.

Any subsequent commands will be run in this directory. COPY Docker.java /app This copies the Docker.java file from your local machine into the /app directory inside the container. RUN javac ...

For example, a developer can use Docker to mimic a production environment ... Once the debugger is attached, you can modify the DemoApplication.java file (for instance, change the greeting message ...

Then to run the container, you simply issue the docker-compose up command. This command then uses the YAML file for container configuration. For example, take the following, modestly long docker run ...

Although others have offered Java via Docker, Azul says its open source Zulu JVM is the first Docker-based Java offering to be officially certified as Java-compliant and fully supported.

Java web services are a popular ... They also allow you to create executable JAR files or native images that can run as standalone applications or as Docker containers. The next step is to package ...