Docker

What is a Docker Container?

A container is a lightweight, isolated environment where your application runs.

What is Docker Compose?

Docker Compose is a tool for running multiple containers together using a single configuration file (docker-compose.yml or compose.yml).Docker.yml

What is Docker File?

A Dockerfile is a text file that contains a set of instructions for building a Docker image.

• Starts with an existing base image.

• Adds your application and its dependencies.

• Configures how the application should run.

• Produces a new custom image.

FROM eclipse-temurin:21-jdk

WORKDIR /app

COPY target/app.jar app.jar

CMD ["java", "-jar", "app.jar"]