Add build parameter to version - helpful for compose files

[alkos333]

No description provided.

[alkos333]

So you can do something like this:

sam-local:
    build:
      context: github.com/alkos333/docker-aws-sam-local#version-build-parameter
      args:
        - VERSION=${SAM_LOCAL_VERSION}
    entrypoint:
      - /usr/local/bin/sam
      - local
      - start-api
      - --host
      - 0.0.0.0