Merge pull request #85 from kskewes/dockernoroot

Use non-root user in docker images

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Changes since v3.1.0
 
+- [#85](https://github.com/pusher/oauth2_proxy/pull/85) Use non-root user in docker images (@kskewes)
 - [#68](https://github.com/pusher/oauth2_proxy/pull/68) forward X-Auth-Access-Token header (@davidholsgrove)
 - [#41](https://github.com/pusher/oauth2_proxy/pull/41) Added option to manually specify OIDC endpoints instead of relying on discovery
 - [#83](https://github.com/pusher/oauth2_proxy/pull/83) Add `id_token` refresh to Google provider (@leki75)

Dockerfile

@@ -19,4 +19,7 @@ FROM alpine:3.8
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=builder /go/src/github.com/pusher/oauth2_proxy/oauth2_proxy /bin/oauth2_proxy
 
+RUN addgroup -S -g 2000 oauth2proxy && adduser -S -u 2000 oauth2proxy -G oauth2proxy
+USER oauth2proxy
+
 ENTRYPOINT ["/bin/oauth2_proxy"]

Dockerfile.arm64

@@ -19,4 +19,7 @@ FROM arm64v8/alpine:3.8
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=builder /go/src/github.com/pusher/oauth2_proxy/oauth2_proxy /bin/oauth2_proxy
 
+RUN addgroup -S -g 2000 oauth2proxy && adduser -S -u 2000 oauth2proxy -G oauth2proxy
+USER oauth2proxy
+
 ENTRYPOINT ["/bin/oauth2_proxy"]

Dockerfile.armv6

@@ -19,4 +19,7 @@ FROM arm32v6/alpine:3.8
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=builder /go/src/github.com/pusher/oauth2_proxy/oauth2_proxy /bin/oauth2_proxy
 
+RUN addgroup -S -g 2000 oauth2proxy && adduser -S -u 2000 oauth2proxy -G oauth2proxy
+USER oauth2proxy
+
 ENTRYPOINT ["/bin/oauth2_proxy"]