Unclear how to use different build-image values for sam build call

[hanninen]

I am not able to get the sam build command to parse correctly the values for different --build-image values using specific images for certain functions using their logical IDs and providing a default image.

The documentation from sam build --help describes that this is possible, but does not provide an example.

I try to use the following commands without success to get Function1 and Function2 builds to use nodejs18.x images and all other remaining functions to use the build-python3.8 image with specific versions of the images:

• sam build --use-container --parallel --template template.yaml --build-image "public.ecr.aws/sam/build-python3.8:1.113,Function1=public.ecr.aws/sam/build-nodejs18.x:1.113,Function2=public.ecr.aws/sam/build-nodejs18.x:1.113"
• sam build --use-container --parallel --template template.yaml --build-image "public.ecr.aws/sam/build-python3.8:1.113 Function1=public.ecr.aws/sam/build-nodejs18.x:1.113 Function2=public.ecr.aws/sam/build-nodejs18.x:1.113"

I've also tried to configure the build_image option in samconfig.toml with these variations without success.

Can you provide information what is the expected syntax for the CLI option & in samconfig.toml?

[hnnasit]

Hi @hanninen, thanks for reporting the issue. You can try running the following commands:

• sam build --use-container --parallel --template template.yaml --build-image Function1=public.ecr.aws/sam/build-nodejs18.x:1.113 --build-image Function2=public.ecr.aws/sam/build-nodejs18.x:1.113
• sam build --use-container --parallel --template template.yaml --build-image public.ecr.aws/sam/build-nodejs18.x:1.113
• Save the following line in the samconfig.toml file under [default.build.parameters]: build_image = ["Function1=public.ecr.aws/sam/build-nodejs18.x:1.113", "Function2=public.ecr.aws/sam/build-nodejs18.x:1.113"]

I have tested these commands on my machine and it was working fine. Let me know if you still face issues after trying the above commands.

[hanninen]

Thanks @hnnasit , that helped a lot. The docs refer the build_image value as String and that confused me, thinking that I need to pass it as one (similar to AWS CLI).

[github-actions]

⚠️COMMENT VISIBILITY WARNING⚠️

Comments on closed issues are hard for our team to see.
If you need more assistance, please either tag a team member or open a new issue that references this one.
If you wish to keep having a conversation with other community members under this issue feel free to do so.