docker: allow setting UID and GID when running a container (#4776)

* Allow setting the UID and GID when running a docker container via shadow

* Disable password login via usermod (fix leaving user in insecure state)

1 files changed, 19 insertions, 5 deletions

diff --git a/Dockerfile b/Dockerfile
index f424ef43..035b59a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,20 +3,34 @@ FROM alpine:3.5
 # Install system utils & Gogs runtime dependencies
 ADD https://github.com/tianon/gosu/releases/download/1.9/gosu-amd64 /usr/sbin/gosu
 RUN chmod +x /usr/sbin/gosu \
- && apk --no-cache --no-progress add ca-certificates bash git linux-pam s6 curl openssh socat tzdata
+  && echo http://dl-2.alpinelinux.org/alpine/edge/community/ >> /etc/apk/repositories \
+  && apk --no-cache --no-progress add \
+    bash \
+    ca-certificates \
+    curl \
+    git \
+    linux-pam \
+    openssh \
+    s6 \
+    shadow \
+    socat \
+    tzdata
 
 ENV GOGS_CUSTOM /data/gogs
 
-COPY . /app/gogs/build
+# Configure LibC Name Service
+COPY docker/nsswitch.conf /etc/nsswitch.conf
+COPY docker /app/gogs/docker
+COPY templates /app/gogs/templates
+COPY public /app/gogs/public
+
 WORKDIR /app/gogs/build
+COPY . .
 
 RUN    ./docker/build-go.sh \
     && ./docker/build.sh \
     && ./docker/finalize.sh
 
-# Configure LibC Name Service
-COPY docker/nsswitch.conf /etc/nsswitch.conf
-
 # Configure Docker Container
 VOLUME ["/data"]
 EXPOSE 22 3000