• Avoid storing application data in your container’s

• Use official ready to use images

Start with an appropriate base image. For instance, if you need a JDK, consider basing your image on the official openjdk image, rather than starting with a generic ubuntu image

• Use multistage builds

For instance, you can use the maven image to build your Java application, then reset to the tomcat image

• Tag image correct

When building images, always tag them with useful tags which codify version information, intended destination (prod or test

• Docker containers are a key enabling technology for microservices

https://docs.docker.com/develop/dev-best-practices/