dex/Dockerfile

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Docker
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FROM golang:1.15.7-alpine3.12
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ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT=""
WORKDIR /usr/local/src/dex
ENV GOOS=${TARGETOS} \
GOARCH=${TARGETARCH} \
GOARM=${TARGETVARIANT}
RUN apk add --no-cache --update alpine-sdk
ARG GOPROXY
COPY go.mod go.sum ./
COPY api/v2/go.mod api/v2/go.sum ./api/v2/
RUN go mod download
COPY . .
RUN make release-binary
FROM alpine:3.13.0
WORKDIR /
# Dex connectors, such as GitHub and Google logins require root certificates.
# Proper installations should manage those certificates, but it's a bad user
# experience when this doesn't work out of the box.
#
# OpenSSL is required so wget can query HTTPS endpoints for health checking.
RUN apk add --no-cache --update ca-certificates openssl
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RUN mkdir -p /var/dex
RUN chown -R 1001:1001 /var/dex
# Copy module files for CVE scanning / dependency analysis.
COPY --from=0 /usr/local/src/dex/go.mod /usr/local/src/dex/go.sum /usr/local/src/dex/
COPY --from=0 /usr/local/src/dex/api/v2/go.mod /usr/local/src/dex/api/v2/go.sum /usr/local/src/dex/api/v2/
USER 1001:1001
COPY --from=0 /go/bin/dex /usr/local/bin/dex
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# Import frontend assets and set the correct CWD directory so the assets
# are in the default path.
COPY web web
ENTRYPOINT ["dex"]
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CMD ["version"]