Jānis Kacēns
50 lines
1.8 KiB
Docker
50 lines
1.8 KiB
Docker
# ── Stage 1: build ────────────────────────────────────────────────────────────
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FROM golang:1.25-alpine AS builder
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WORKDIR /src
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# Install wget for downloading the Tailwind standalone CLI.
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RUN apk add --no-cache wget
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# Download Tailwind v3 standalone CLI for the target architecture.
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# Supported: linux/amd64, linux/arm64.
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RUN ARCH=$(uname -m) && \
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case "$ARCH" in \
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x86_64) TW_ARCH=x64 ;; \
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aarch64) TW_ARCH=arm64 ;; \
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*) echo "Unsupported arch: $ARCH" && exit 1 ;; \
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esac && \
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wget -qO /usr/local/bin/tailwindcss \
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"https://github.com/tailwindlabs/tailwindcss/releases/download/v3.4.17/tailwindcss-linux-${TW_ARCH}" && \
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chmod +x /usr/local/bin/tailwindcss
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# Fetch Go module dependencies (cached separately from source).
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy the rest of the source.
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COPY . .
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# Compile Tailwind CSS and switch the template from CDN to the compiled file.
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RUN tailwindcss -i web/templates/input.css -o web/static/tailwind.css --minify && \
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sed -i 's|<script src="https://cdn.tailwindcss.com"></script>|<link rel="stylesheet" href="/static/tailwind.css">|' \
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web/templates/layout.html
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# Build the Go binary.
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RUN CGO_ENABLED=0 GOOS=linux go build -o /out/qbank ./cmd/server
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# ── Stage 2: run ──────────────────────────────────────────────────────────────
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FROM gcr.io/distroless/static-debian12:nonroot
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WORKDIR /app
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COPY --from=builder /out/qbank /app/qbank
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COPY --from=builder /src/web/templates /app/web/templates
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COPY --from=builder /src/web/static /app/web/static
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EXPOSE 8080
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USER nonroot:nonroot
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ENTRYPOINT ["/app/qbank"]
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