36 lines
916 B
Docker
36 lines
916 B
Docker
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# Build stage
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FROM golang:1.23-alpine AS builder
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WORKDIR /app
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# Install build dependencies
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RUN apk add --no-cache git ca-certificates
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# Copy dependency files first for better layer caching
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COPY go.mod go.sum ./
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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 -ldflags="-w -s" -o /bin/server ./cmd/server
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# ── Final stage ─────────────────────────────────────────────────────────
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FROM alpine:latest
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WORKDIR /app
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# Install ca-certificates for HTTPS outbound calls
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RUN apk --no-cache add ca-certificates
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# Copy binary from builder
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COPY --from=builder /bin/server /app/server
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# Expose the default port (overridden by PORT env var)
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EXPOSE 8080
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# Run as non-root
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RUN adduser -D -s /bin/sh appuser
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USER appuser
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ENTRYPOINT ["/app/server"]
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