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27 lines
721 B
Docker
27 lines
721 B
Docker
# syntax=docker/dockerfile:1
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FROM golang:1.23.1 AS builder
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# Set destination for COPY
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WORKDIR /app
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# Download Go modules
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COPY go.mod go.sum ./
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RUN go mod download
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# Copy the source code. Note the slash at the end, as explained in
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# https://docs.docker.com/engine/reference/builder/#copy
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COPY *.go ./
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# Build
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RUN CGO_ENABLED=0 GOOS=linux go build -o /backend
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# Optional:
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# To bind to a TCP port, runtime parameters must be supplied to the docker command.
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# But we can document in the Dockerfile what ports
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# the application is going to listen on by default.
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# https://docs.docker.com/engine/reference/builder/#expose
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FROM alpine:3
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COPY --from=builder /app/backend /bin/backend
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ENTRYPOINT ["/bin/backend"]
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EXPOSE 8080 |