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brookie.blog
1# Build stage
2FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS builder
3
4# Install build dependencies
5RUN apk add --no-cache git gcc musl-dev
6
7WORKDIR /build
8
9# Copy go mod files
10COPY go.mod go.sum ./
11RUN --mount=type=cache,target=/go/pkg/mod go mod download
12
13# Copy source code
14COPY . .
15
16# Build arguments for cross-compilation
17ARG TARGETOS
18ARG TARGETARCH
19
20# Build the binary
21RUN --mount=type=cache,target=/go/pkg/mod \
22 --mount=type=cache,target=/root/.cache/go-build \
23 CGO_ENABLED=1 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
24 go build -ldflags="-w -s" -o brooke-spin ./cmd/brooke-spin
25
26# Runtime stage
27FROM alpine:latest
28
29# Install runtime dependencies
30RUN apk add --no-cache ca-certificates tzdata
31
32# Create non-root user
33RUN addgroup -g 1000 brooke && \
34 adduser -D -u 1000 -G brooke brooke
35
36WORKDIR /app
37
38# Copy binary and entrypoint from builder
39COPY --from=builder /build/brooke-spin /app/brooke-spin
40COPY entrypoint.sh /app/entrypoint.sh
41
42# Set ownership and make entrypoint executable
43RUN chown -R brooke:brooke /app && \
44 chmod +x /app/entrypoint.sh
45
46# Switch to non-root user
47USER brooke
48
49# Use entrypoint to ensure data directory exists
50ENTRYPOINT ["/app/entrypoint.sh"]
51
52# Default command
53CMD ["/app/brooke-spin", "-config", "/app/config.yaml"]