Building Microservices with Go

ENTRYPOINT

An ENTRYPOINT allows you to configure the executable that you would like to run when your container starts. Using ENTRYPOINT makes it possible to specify arguments as part of the docker run command which is appended to the ENTRYPOINT.

ENTRYPOINT has two forms:

• ENTRYPOINT ["executable", "param1", "param2"] // preferred form
• ENTRYPOINT command param1 param2 //shell form

For example, in our Docker file, we are specifying the ENTRYPOINT ./server. This is our Go binary that we would like to run. When we start our container with the following docker run helloworld command, we do not need to explicitly tell the container to execute the binary and launch the server. We can, however, pass additional arguments to the application via the ...