sneak
4b2d85010e
- Build stage: golang:1.24-alpine with vips-dev for CGO image libs - Runtime stage: alpine:3.21 with vips runtime only - Pass VERSION build arg for ldflags embedding - Add 'make docker' target to build image with git version
43 lines
817 B
Docker
43 lines
817 B
Docker
# Build stage
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FROM golang:1.24-alpine AS builder
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ARG VERSION=dev
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# Install build dependencies for CGO image libraries
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RUN apk add --no-cache \
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build-base \
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vips-dev \
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pkgconfig
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WORKDIR /src
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# Copy go mod files first for better layer caching
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COPY go.mod go.sum ./
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RUN GOTOOLCHAIN=auto go mod download
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# Copy source code
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COPY . .
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# Build with CGO enabled
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RUN CGO_ENABLED=1 GOTOOLCHAIN=auto go build -ldflags "-X main.Version=${VERSION}" -o /pixad ./cmd/pixad
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# Runtime stage
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FROM alpine:3.21
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# Install runtime dependencies only
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RUN apk add --no-cache \
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vips \
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ca-certificates \
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tzdata
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# Copy binary from builder
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COPY --from=builder /pixad /usr/local/bin/pixad
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# Create non-root user
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RUN adduser -D -H -s /sbin/nologin pixad
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USER pixad
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EXPOSE 8080
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ENTRYPOINT ["/usr/local/bin/pixad"]
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