How can I insert environment variables, variables ...
# generalb
bumpy-arm-17246
03/30/2023, 11:21 AMHow can I insert environment variables, variables defined in
pants.tomlBUILD Copy code
docker_image(
name="my_service",
dependencies=[":my_pex"],
instructions=[
f"FROM python:{PYTHON_VERSION_MAJOR}.{PYTHON_VERSION_MINOR}.{PYTHON_VERSION_MICRO}-slim-bullseye",
"COPY my_pex.pex .",
],
)bumpy-arm-17246
03/30/2023, 11:23 AMI currently do this, but I want to pass in the version number from single location into many pants rules.
Copy code
docker_image(
name="my_service",
dependencies=[":my_pex"],
extra_build_args=[
"PYTHON_VERSION_MAJOR=3",
"PYTHON_VERSION_MINOR=9",
"PYTHON_VERSION_MICRO=15",
],
instructions=[
"ARG PYTHON_VERSION_MAJOR",
"ARG PYTHON_VERSION_MINOR",
"ARG PYTHON_VERSION_MICRO",
"FROM python:{PYTHON_VERSION_MAJOR}.{PYTHON_VERSION_MINOR}.{PYTHON_VERSION_MICRO}-slim-bullseye",
"COPY my_pex.pex .",
],
)h
high-yak-85899
03/30/2023, 2:02 PMYup build args is the right way to do it if you had a Dockerfile you wanted to dynamically update.
high-yak-85899
03/30/2023, 2:03 PMAlternatively, since BUILD files are just python, you can import libraries like os there and likely extract env vars
high-yak-85899
03/30/2023, 2:03 PMI haven’t tried it though.
f
fast-nail-55400
03/30/2023, 4:49 PMEnvironment variables are available via an
envBUILDfast-nail-55400
03/30/2023, 4:50 PMBUILD files do not support importing modules. They are Python the language, not Python the runtime environment.