mirror of
https://github.com/warmbly/warmbly.git
synced 2026-08-18 16:01:18 +00:00
Matthew Meszaros
35 lines
1.1 KiB
Docker
35 lines
1.1 KiB
Docker
# syntax=docker/dockerfile:1.7
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#
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# Hot-reload image for Go services. Used only by the `watch` profile in
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# docker-compose.yml — production builds still use the per-service
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# Dockerfiles next to this one.
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#
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# The container expects:
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# - Source bind-mounted at /app
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# - $GOMODCACHE / $GOCACHE on named volumes (so caches survive
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# container recreates AND restarts of the host machine)
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# - $WARMBLY_CMD set to one of: backend, consumer, worker, seed
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#
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# air watches for changes under /app and rebuilds the cmd binary into
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# /tmp/main in place, then restarts it. No docker layer pipeline, no
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# image rebuild — just `go build` against a warm cache.
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FROM golang:1.25-alpine
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RUN apk add --no-cache git ca-certificates gcc musl-dev librdkafka-dev curl
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# Pin air so the dev image is reproducible. air-verse/air is the
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# successor to cosmtrek/air (same project, new org).
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RUN go install github.com/air-verse/air@v1.61.5
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ENV GOMODCACHE=/go/pkg/mod
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ENV GOCACHE=/root/.cache/go-build
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ENV GOTMPDIR=/tmp
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ENV CGO_ENABLED=1
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WORKDIR /app
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COPY deploy/docker/air.toml /etc/air.toml
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ENTRYPOINT ["air", "-c", "/etc/air.toml"]
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