41 lines
901 B
Docker
41 lines
901 B
Docker
# Build stage
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FROM docker.io/library/golang:1.25-alpine AS builder
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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 binary
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RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /app/main .
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# Production stage
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FROM docker.io/library/alpine:latest AS production
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# Install ca-certificates for HTTPS and wget for healthcheck
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RUN apk --no-cache add ca-certificates && \
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addgroup -g 1000 appuser && \
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adduser -D -u 1000 -G appuser appuser
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WORKDIR /app
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# Copy the binary from builder
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COPY --from=builder --chown=appuser:appuser /app/main /app/main
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# Switch to non-root user
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USER appuser
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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 wget --no-verbose --tries=1 --spider http://localhost:8080/healthz || exit 1
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CMD ["/app/main"]
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