61 lines
1.4 KiB
Docker
61 lines
1.4 KiB
Docker
# -------------------- deps stage --------------------
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FROM golang:alpine AS deps
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WORKDIR /app
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COPY go.mod go.sum ./
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RUN sed -i '/replace/d' go.mod && \
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go mod download
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# -------------------- builder stage --------------------
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FROM golang:alpine AS builder
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# Buildx injects these
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ARG TARGETOS
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ARG TARGETARCH
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# We want static binaries for scratch
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ENV CGO_ENABLED=0
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WORKDIR /app
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# tools needed during build
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RUN apk add --no-cache git
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# install bee for the BUILD platform
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RUN go install github.com/beego/bee/v2@latest
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WORKDIR /oc-discovery
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# reuse module cache from deps
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COPY --from=deps /go/pkg /go/pkg
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COPY --from=deps /app/go.mod /app/go.sum ./
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# copy the source code
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COPY . .
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RUN sed -i '/replace/d' go.mod
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# build
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RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 bee pack
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# unpack bee's tarball
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RUN mkdir -p /app/extracted && \
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tar -zxvf oc-discovery.tar.gz -C /app/extracted && \
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sed -i 's#http://127.0.0.1:8080/swagger/swagger.json#swagger.json#g' \
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/app/extracted/swagger/index.html
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# -------------------- final image --------------------
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FROM scratch
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WORKDIR /app
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# copy the binary & assets
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COPY --from=builder /app/extracted/oc-discovery /usr/bin/oc-discovery
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COPY --from=builder /app/extracted/swagger ./swagger
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COPY --from=builder /app/extracted/docker_discovery.json /etc/oc/discovery.json
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EXPOSE 8080
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# run
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ENTRYPOINT ["/usr/bin/oc-discovery"]
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