41 lines
1.2 KiB
Docker
41 lines
1.2 KiB
Docker
FROM golang:1.15-alpine as builder
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WORKDIR /workspace
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# Copy the Go Modules manifests
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COPY go.mod go.mod
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COPY go.sum go.sum
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# This has its own go.mod, which needs to be present so go mod
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# download works.
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COPY api/ api/
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# cache deps before building and copying source so that we don't need to re-download as much
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# and so that source changes don't invalidate our downloaded layer
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RUN go mod download
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# Copy the go source
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COPY main.go main.go
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COPY pkg/ pkg/
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COPY controllers/ controllers/
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# Build
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RUN CGO_ENABLED=0 go build -a -o image-automation-controller main.go
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FROM alpine:3.12
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LABEL org.opencontainers.image.source="https://github.com/fluxcd/image-automation-controller"
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RUN apk add --no-cache ca-certificates tini
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COPY --from=builder /workspace/image-automation-controller /usr/local/bin/
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# Create minimal nsswitch.conf file to prioritize the usage of /etc/hosts over DNS queries.
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# https://github.com/gliderlabs/docker-alpine/issues/367#issuecomment-354316460
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RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf
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RUN addgroup -S controller && adduser -S -g controller controller
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USER controller
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ENTRYPOINT [ "/sbin/tini", "--", "image-automation-controller" ]
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