oauth2_proxy/Dockerfile
YAEGASHI Takeshi cb41a91a65 Docker build optimization
Update Dockefile to get a much smaller footprint with alpine image.

Optimize ordering of build steps to avoid needless downloads.

Include CA certificates needed for practical use.
2019-01-22 02:55:39 +09:00

23 lines
559 B
Docker

FROM golang:1.11-stretch AS builder
# Download tools
RUN wget -O $GOPATH/bin/dep https://github.com/golang/dep/releases/download/v0.5.0/dep-linux-amd64
RUN chmod +x $GOPATH/bin/dep
# Copy sources
WORKDIR $GOPATH/src/github.com/pusher/oauth2_proxy
COPY . .
# Fetch dependencies
RUN dep ensure --vendor-only
# Build binary
RUN ./configure && make build
# Copy binary to alpine
FROM alpine:3.8
RUN apk add --no-cache ca-certificates
COPY --from=builder /go/src/github.com/pusher/oauth2_proxy/oauth2_proxy /bin/oauth2_proxy
ENTRYPOINT ["/bin/oauth2_proxy"]