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Extract formatting and lint checks into a new lint stage using the prebuilt golangci/golangci-lint:v2.1.6 image. This eliminates the need to compile golangci-lint from source on every build, providing faster feedback on lint failures. - Add lint stage (AS lint) using prebuilt golangci-lint image - Move fmt-check and lint targets to the lint stage - Keep test + build in the builder stage - Add COPY --from=lint dependency so BuildKit runs lint before build - Remove go install of golangci-lint from builder stage closes #27
44 lines
1.4 KiB
Docker
44 lines
1.4 KiB
Docker
# Lint stage — fast feedback on formatting and lint issues
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# golangci/golangci-lint:v2.1.6, 2026-03-02
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FROM golangci/golangci-lint@sha256:568ee1c1c53493575fa9494e280e579ac9ca865787bafe4df3023ae59ecf299b AS lint
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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 make fmt-check
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RUN make lint
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# Build stage
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# golang:1.24-alpine, 2026-02-26
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FROM golang@sha256:8bee1901f1e530bfb4a7850aa7a479d17ae3a18beb6e09064ed54cfd245b7191 AS builder
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WORKDIR /src
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RUN apk add --no-cache git build-base make
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# Force BuildKit to run the lint stage before proceeding
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COPY --from=lint /src/go.sum /dev/null
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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 make test
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# Build static binaries (no cgo needed at runtime — modernc.org/sqlite is pure Go)
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ARG VERSION=dev
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RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.Version=${VERSION}" -o /chatd ./cmd/chatd/
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RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /chat-cli ./cmd/chat-cli/
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# Runtime stage
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# alpine:3.21, 2026-02-26
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FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
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RUN apk add --no-cache ca-certificates \
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&& addgroup -S chat && adduser -S chat -G chat
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COPY --from=builder /chatd /usr/local/bin/chatd
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USER chat
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget -qO- http://localhost:8080/.well-known/healthcheck.json || exit 1
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ENTRYPOINT ["chatd"]
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