Mads Smed
0215bdd6a6
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36 lines
735 B
Docker
36 lines
735 B
Docker
# ------------------------------------------------------------
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# 1. Build stage
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# ------------------------------------------------------------
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FROM golang:1.25-alpine AS builder
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RUN apk add --no-cache git
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WORKDIR /app
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# Dependencies first (cache friendly)
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy the entire codebase
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COPY . .
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# Build for the architecture of the host (ARM64 runner)
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RUN CGO_ENABLED=0 go build -o server .
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# ------------------------------------------------------------
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# 2. Final minimal runtime image
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# ------------------------------------------------------------
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FROM alpine:3.20
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RUN adduser -D -g '' appuser
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WORKDIR /app
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COPY --from=builder /app/server .
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EXPOSE 8080
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USER appuser
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CMD ["./server"]
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