52 lines
1.7 KiB
Docker
52 lines
1.7 KiB
Docker
# Docker buildkit multi-arch build requires golang alpine
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FROM golang:1.15-alpine as builder
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RUN apk add gcc pkgconfig libc-dev
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RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community libgit2-dev~=1.1
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# TODO: replace with non-edge musl 1.2.x when made available
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# musl 1.2.x is a strict requirement of libgit2 due to time_t changes
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# ref: https://musl.libc.org/time64.html
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RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main musl~=1.2
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WORKDIR /workspace
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# copy api submodule
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COPY api/ api/
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# copy modules manifests
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COPY go.mod go.mod
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COPY go.sum go.sum
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# cache modules
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RUN go mod download
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# copy source code
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COPY main.go main.go
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COPY controllers/ controllers/
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COPY pkg/ pkg/
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COPY internal/ internal/
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# build without specifing the arch
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RUN CGO_ENABLED=1 go build -o source-controller main.go
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FROM alpine:3.12
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# link repo to the GitHub Container Registry image
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LABEL org.opencontainers.image.source="https://github.com/fluxcd/source-controller"
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RUN apk add --no-cache ca-certificates tini
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RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community libgit2~=1.1
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RUN apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main musl~=1.2
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COPY --from=builder /workspace/source-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 controller -G controller
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USER controller
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ENTRYPOINT [ "/sbin/tini", "--", "source-controller" ]
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