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Last active February 25, 2023 06:29
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Golang Dockerfile multi stage build
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Dockerfile
# Build stage
FROM golang:1.19.3-alpine AS build
ENV CGO_ENABLED=0
ENV GO111MODULE=on
WORKDIR /app
COPY go.mod .
COPY go.sum .
RUN go mod download
COPY . .
RUN go build -o /server
# Final stage
FROM alpine:latest
RUN apk --no-cache add ca-certificates
WORKDIR /root/
COPY --from=build /server .
ENV PORT=8090
EXPOSE $PORT
CMD ["./server"]
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