105 lines
2.5 KiB
YAML
105 lines
2.5 KiB
YAML
# Builder
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#
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# The builder configuration controls how the application is built with `docker build`.
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#
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# See https://kamal-deploy.org/docs/configuration/builder-examples/ for more information.
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# Builder options
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#
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# Options go under the builder key in the root configuration.
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builder:
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# Arch
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#
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# The architectures to build for — you can set an array or just a single value.
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#
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# Allowed values are `amd64` and `arm64`:
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arch:
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- amd64
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# Remote
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#
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# The connection string for a remote builder. If supplied, Kamal will use this
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# for builds that do not match the local architecture of the deployment host.
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remote: ssh://docker@docker-builder
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# Local
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#
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# If set to false, Kamal will always use the remote builder even when building
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# the local architecture.
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#
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# Defaults to true:
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local: true
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# Builder cache
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#
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# The type must be either 'gha' or 'registry'.
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#
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# The image is only used for registry cache and is not compatible with the Docker driver:
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cache:
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type: registry
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options: mode=max
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image: kamal-app-build-cache
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# Build context
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#
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# If this is not set, then a local Git clone of the repo is used.
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# This ensures a clean build with no uncommitted changes.
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#
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# To use the local checkout instead, you can set the context to `.`, or a path to another directory.
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context: .
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# Dockerfile
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#
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# The Dockerfile to use for building, defaults to `Dockerfile`:
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dockerfile: Dockerfile.production
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# Build target
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#
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# If not set, then the default target is used:
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target: production
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# Build arguments
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#
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# Any additional build arguments, passed to `docker build` with `--build-arg <key>=<value>`:
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args:
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ENVIRONMENT: production
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# Referencing build arguments
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#
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# ```shell
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# ARG RUBY_VERSION
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# FROM ruby:$RUBY_VERSION-slim as base
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# ```
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# Build secrets
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#
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# Values are read from `.kamal/secrets`:
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secrets:
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- SECRET1
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- SECRET2
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# Referencing build secrets
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#
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# ```shell
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# # Copy Gemfiles
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# COPY Gemfile Gemfile.lock ./
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#
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# # Install dependencies, including private repositories via access token
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# # Then remove bundle cache with exposed GITHUB_TOKEN
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# RUN --mount=type=secret,id=GITHUB_TOKEN \
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# BUNDLE_GITHUB__COM=x-access-token:$(cat /run/secrets/GITHUB_TOKEN) \
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# bundle install && \
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# rm -rf /usr/local/bundle/cache
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# ```
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# SSH
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#
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# SSH agent socket or keys to expose to the build:
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ssh: default=$SSH_AUTH_SOCK
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# Driver
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#
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# The build driver to use, defaults to `docker-container`:
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driver: docker
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