jschoubben
b3486270d1
The mesh's own images declare theirs now, so the refusal ADR 0097 deferred is live. The builder's own image and the examples take arguments with defaults; make builds them, not the mesh.
23 lines
1006 B
Docker
23 lines
1006 B
Docker
ARG ALPINE_BASE=alpine:3
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ARG GO_BASE=golang:1.25-alpine
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# The builder, as a module ships one.
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#
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# Not FROM scratch, unlike the control plane: this one runs git and a container client, so it
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# needs a filesystem with them on it. That is the honest cost of a machine whose job is to build —
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# and it is why building is a MODULE on a machine that has a runtime rather than something the
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# control plane does (novox/hq ADR 0005).
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FROM ${GO_BASE} AS build
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WORKDIR /src
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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RUN CGO_ENABLED=0 go build -trimpath -ldflags '-s -w' -o /mesh-builder ./cmd/mesh-builder
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FROM ${ALPINE_BASE}
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# git to clone what it is asked to build, and the docker client to build and push it. The daemon
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# is the machine's, reached through its socket — a build machine shares the runtime it was given
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# rather than running one inside itself.
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RUN apk add --no-cache git docker-cli
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COPY --from=build /mesh-builder /usr/local/bin/mesh-builder
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ENTRYPOINT ["/usr/local/bin/mesh-builder"]
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