mirror of
https://github.com/warmbly/warmbly.git
synced 2026-09-06 00:01:24 +00:00
38 lines
1.6 KiB
Docker
38 lines
1.6 KiB
Docker
# syntax=docker/dockerfile:1.7
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#
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# The updater is the host-side agent behind "Update and restart" in the admin
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# panel: it pulls the checkout, rebuilds the images and recreates the
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# containers. It needs git and the docker CLI with the compose plugin, and the
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# docker socket mounted at runtime (see the updater service in
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# docker-compose.yml). Builder runs on $BUILDPLATFORM and cross-compiles.
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FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
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ARG TARGETOS TARGETARCH
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ARG VERSION="" COMMIT="" BUILT_AT=""
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RUN apk add --no-cache git ca-certificates
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WORKDIR /app
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COPY go.mod go.sum ./
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RUN --mount=type=cache,target=/go/pkg/mod go mod download
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COPY . .
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags="-s -w -X github.com/warmbly/warmbly/internal/version.Version=$VERSION -X github.com/warmbly/warmbly/internal/version.Commit=$COMMIT -X github.com/warmbly/warmbly/internal/version.BuiltAt=$BUILT_AT" -o /out/updater ./cmd/updater
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# Runtime: the official docker CLI image already carries the compose plugin.
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FROM docker:27-cli
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RUN apk add --no-cache git ca-certificates tzdata && mkdir -p /var/lib/warmbly-updater
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COPY --from=builder /out/updater /app/updater
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# Runs as root on purpose: it holds the docker socket, and chowns what git
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# wrote back to the checkout's owner after every update.
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EXPOSE 8095
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s \
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CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:8095/health || exit 1
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ENTRYPOINT ["/app/updater"]
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