Docker, Jenkins, CI/CD, & DEV/OPS have been the buzz words for the last several years. You will be seeing this in more often in the job requirements as well. 21 Docker interview questions & answers | DevOps & CI/CD Interview Q&As
Pre-requisite: Docker is installed on your machine for example:
Mac OS X
Linux systems
Windows10
Find online instructions like: install-docker-on-windows-10
Step 1: Create a folder “
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This extends the 01: Docker Tutorial – compile & run Helloworld.java. Keep the container running Docker containers are designed to shut down immediately after initial CMD or ENTRYPOINT command is run. To make it keep running you can change the last line to Delete all stopped containers -a for –all...
This extends the 01: Docker Tutorial – compile & run Helloworld.java. Maven pom.xml The run.sh file Create src/main/java folder Maven requires .java files to be in the folder src/main/java folder. So create the folder and move com/myapp/* under that as shown in the above diagram. … Read more ›...
mount a host directory into a Docker container so that the folders & files in the host will show up in the Docker container after building the dockerfile. There are a couple ways you can do this. Option 1: ADD In this approach, any changes made to this directory on...
In this tutorial, let’s run a Java socket client & a server in two separate Docker containers. Both the client & server are continuously run, and networked by creating a Docker network. MyClient.java MyServer.java Dockerfile.client Note that “myserver” in the CMD is the name we will be giving to the...
Step 1: Go to “https://start.spring.io/“, and create a skeletal Spring project. Type “web” in the “search dependencies to add” and fill the “group” and “artifact” fields as shown below. Step 2: Click on the “+” button to add and then on the “Generate Project”, … Read more ›...
This tutorial extends the 06: Docker Tutorial – Spring boot application. In the previous tutorial the Dockerfile has the jar filename & the version. Every time the version changes the Dockerfile has to be changed. Also, we have to manually type the Docker commands by opening a terminal. … Read...
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