meutel/oauth2_proxy
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oauth2_proxy/Dockerfile

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build: use go 1.12 (#124) * build: use go 1.12 * Update CHANGELOG.md
2019-04-12 10:15:29 +00:00
FROM golang:1.12-stretch AS builder
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.
2019-01-21 17:50:50 +00:00
# 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
Add Dockerfile
2018-12-20 11:06:26 +00:00
COPY . .
# Fetch dependencies
RUN dep ensure --vendor-only
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.
2019-01-21 17:50:50 +00:00
# Build binary
RUN ./configure && make build
Add Dockerfile
2018-12-20 11:06:26 +00:00
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.
2019-01-21 17:50:50 +00:00
# Copy binary to alpine
FROM alpine:3.8
fix(docker): simplify build by copying ca-certificates.crt
2019-02-02 01:20:20 +00:00
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
Add Dockerfile
2018-12-20 11:06:26 +00:00
COPY --from=builder /go/src/github.com/pusher/oauth2_proxy/oauth2_proxy /bin/oauth2_proxy
Potentially breaking change: docker user & group Run as non-root user and group In the unlikely event that you are currently persisting data to disk then this change may break file read/write access due to a change in the UID/GID that the oauth2_proxy process runs as. Run as non-root system user and group `oauth2proxy` with UID/GID `2000` to avoid clashing with typical local users. An alternative to creating a separate user is to ~~chown binary and~~ run as `USER nobody`, which also works, can amend this PR if required. Least access privileges. Close: https://github.com/pusher/oauth2_proxy/issues/78 Locally with Docker (`-version`): ``` $ ps aux | grep oauth2 2000 25192 6.0 0.0 0 0 ? Ds 15:53 0:00 [oauth2_proxy] ``` Running in Kubernetes 1.13 with the following also specified: ``` securityContext: readOnlyRootFilesystem: true runAsNonRoot: true runAsUser: 10001 ``` ``` $ kubectl exec -it -n oauth2-proxy oauth2-proxy-85c9f58ffc-dz9lr sh /opt $ whoami whoami: unknown uid 10001 /opt $ ps aux PID USER TIME COMMAND 1 10001 0:00 /opt/oauth2_proxy --whitelist-domain=.example.com --cookie-domain=example.com --email-domain=example.com --upstream=file:///dev/null --http-address=0.0.0.0:4180 11 10001 0:00 sh 17 10001 0:00 ps aux ``` <!--- Go over all the following points, and put an `x` in all the boxes that apply. --> <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! --> - [x] My change requires a change to the documentation or CHANGELOG. - [x] I have updated the documentation/CHANGELOG accordingly. - [x] I have created a feature (non-master) branch for my PR.
2019-03-05 08:26:49 +00:00
RUN addgroup -S -g 2000 oauth2proxy && adduser -S -u 2000 oauth2proxy -G oauth2proxy
USER oauth2proxy
Add Dockerfile
2018-12-20 11:06:26 +00:00
ENTRYPOINT ["/bin/oauth2_proxy"]
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