How to deploy JDK using Docker?
To deploy JDK in Docker, you can follow these steps:
- Define the base image in the Dockerfile. Choose a Linux-based image, such as Ubuntu or Alpine. For example, you can use Ubuntu 18.04 as the base image.
- Using ubuntu version 18.04.
- Install JDK. You can install JDK by following these steps:
- Download the JDK installation package from the official Oracle website and execute the installation in the Dockerfile.
# Download the JDK installation package
ADD jdk-8u301-linux-x64.tar.gz /opt/# Set the environment variables
ENV JAVA_HOME=/opt/jdk1.8.0_301
ENV PATH=$PATH:$JAVA_HOME/bin - Install OpenJDK using package managers such as apt-get or yum.
# Install OpenJDK
RUN apt-get update && apt-get install -y openjdk-8-jdk - Build a Docker image. Use the docker build command in the terminal to construct the image.
- Create a Docker image named “jdk-image” from the current directory.
- Run a Docker container. Start a Docker container using the docker run command.
- Start a new interactive container from the jdk-image with a bash shell.
The above steps detail how to deploy JDK in Docker and run Java applications within a container. Please choose the appropriate version and installation method based on your specific needs.