Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR reduces the Docker image size massively while remaining on Debian Bookworm, as far as I can tell there should be no ill effects. Below are my comparisons.
Each step was rebuilt to ease comparison with:
docker build -t librelink-up-pr .
And they include the changes from previous steps.
Sizes are compared with:
Also a
.dockerignore
file is included to avoid copying the git-related files and directories into the image.Starting point
Switch to node:20-bookworm-slim as base image
Use a separate builder stage
Remove devDependencies
This also involves pre-compiling the TypeScript code, I've changed the
CMD
to reusestart-heroku
Compressed size difference
For additional context: