hdbar
60 lines
1.3 KiB
Docker
60 lines
1.3 KiB
Docker
# Build stage
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FROM golang:1.21-alpine AS builder
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# Install git and ca-certificates (needed for go mod download)
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RUN apk add --no-cache git ca-certificates tzdata
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# Create non-root user for security
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RUN addgroup -g 1001 -S appgroup && \
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adduser -u 1001 -S appuser -G appgroup
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# Set working directory
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WORKDIR /app
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# Copy go mod files
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COPY go.mod go.sum ./
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# Download dependencies
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RUN go mod download
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# Copy source code
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COPY . .
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# Build the application
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags='-w -s -extldflags "-static"' \
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-a -installsuffix cgo \
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-o bin/api \
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cmd/api/main.go
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# Final stage
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FROM scratch
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# Copy ca-certificates from builder
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COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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# Copy timezone data
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COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
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# Copy user information from builder
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COPY --from=builder /etc/passwd /etc/passwd
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COPY --from=builder /etc/group /etc/group
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# Copy the binary
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COPY --from=builder /app/bin/api /api
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# Copy configuration
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COPY --from=builder /app/configs /configs
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# Use non-root user
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USER appuser:appgroup
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD ["/api", "-health-check"] || exit 1
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# Set entrypoint
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ENTRYPOINT ["/api"] |