Use --build-arg to specify versions during the build process

[RA80533]

• codeql-container/Dockerfile

  Line 58 in d0e531a

  RUN python3 /usr/local/startup_scripts/get-latest-codeql-version.py > /tmp/codeql_version

• codeql-container/Dockerfile

  Lines 65 to 66 in d0e531a

  	RUN git clone https://github.com/github/codeql ${CODEQL_HOME}/codeql-repo && \
  	git --git-dir ${CODEQL_HOME}/codeql-repo/.git log --pretty=reference -1 > /opt/codeql/codeql-repo-last-commit

• codeql-container/Dockerfile

  Lines 67 to 68 in d0e531a

  	RUN git clone https://github.com/github/codeql-go ${CODEQL_HOME}/codeql-go-repo && \
  	git --git-dir ${CODEQL_HOME}/codeql-go-repo/.git log --pretty=reference -1 > /opt/codeql/codeql-go-repo-last-commit

• codeql-container/Dockerfile

  Lines 70 to 73 in d0e531a

  	RUN CODEQL_VERSION=$(cat /tmp/codeql_version) && \
  	wget -q https://github.com/github/codeql-cli-binaries/releases/download/${CODEQL_VERSION}/codeql-linux64.zip -O /tmp/codeql_linux.zip && \
  	unzip /tmp/codeql_linux.zip -d ${CODEQL_HOME} && \
  	rm /tmp/codeql_linux.zip

These occurrences can be updated to vastly improve the idempotence of building the Docker image. Right now, running docker build produces different images based on when the command is run. It could change quite a bit over the course of a week.

[jacobmsft]

Good point. I'll put this in the backlog, alternatively, I'll be happy to accept a pull request.