add vtadmin docker image

.dockerignore

@@ -9,3 +9,5 @@ releases
 /vthook/
 /bin/
 /vtdataroot/
+/web/vtadmin/node_modules
+/web/vtadmin/build

docker/k8s/vtadmin/Dockerfile

@@ -0,0 +1,55 @@
+# Copyright 2022 The Vitess Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ARG VT_BASE_VER=latest
+ARG DEBIAN_VER=bullseye-slim
+
+FROM vitess/k8s:${VT_BASE_VER} AS k8s
+
+FROM node:16-${DEBIAN_VER} as node
+
+# Set up Vitess environment (just enough to run pre-built Go binaries)
+ENV VTROOT /vt
+ENV VTADMIN_WEB_PORT=14201
+
+# Prepare directory structure.
+RUN mkdir -p /vt/bin && \
+   mkdir -p /vt/web && mkdir -p /vtdataroot
+
+# Copy binaries
+COPY --from=k8s /vt/bin/vtadmin /vt/bin/
+
+# Copy certs to allow https calls
+COPY --from=k8s /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
+# copy web admin files
+COPY --from=k8s /vt/web/vtadmin /vt/web/vtadmin
+
+# install/build/clean web dependencies
+RUN npm --prefix /vt/web/vtadmin ci && \
+    npm run --prefix /vt/web/vtadmin build
+
+# add vitess user/group and add permissions
+RUN deluser node && \
+   groupadd -r --gid 2000 vitess && \
+   useradd -r -g vitess --uid 1000 vitess && \
+   chown -R vitess:vitess /vt && \
+   chown -R vitess:vitess /vtdataroot
+
+USER vitess
+
+VOLUME /vt/web/vtadmin/build/config
+
+CMD ["/bin/bash", "-c", "/vt/web/vtadmin/node_modules/.bin/serve --no-clipboard -l $VTADMIN_WEB_PORT -s /vt/web/vtadmin/build"]
+

docker/release.sh

@@ -16,6 +16,11 @@ do
   docker push vitess/k8s:$vt_base_version-$debian_version
   if [[ $debian_version == $default_debian_version ]]; then docker push vitess/k8s:$vt_base_version; fi
 
+  docker build --platform linux/amd64 --build-arg VT_BASE_VER=$vt_base_version --build-arg DEBIAN_VER=$debian_version-slim -t vitess/vtadmin:$vt_base_version-$debian_version k8s/vtadmin
+  docker tag vitess/vtadmin:$vt_base_version-$debian_version vitess/vtadmin:$vt_base_version
+  docker push vitess/vtadmin:$vt_base_version-$debian_version
+  if [[ $debian_version == $default_debian_version ]]; then docker push vitess/vtadmin:$vt_base_version; fi
+
   docker build --platform linux/amd64 --build-arg VT_BASE_VER=$vt_base_version --build-arg DEBIAN_VER=$debian_version-slim -t vitess/vtgate:$vt_base_version-$debian_version k8s/vtgate
   docker tag vitess/vtgate:$vt_base_version-$debian_version vitess/vtgate:$vt_base_version
   docker push vitess/vtgate:$vt_base_version-$debian_version

go/vt/vtadmin/README.md

@@ -49,7 +49,7 @@ Then, you can run `make build`, and run `./bin/vtadmin` with any flags you need
 
 ### Building and running `vtadmin-web`
 
-Make sure you are using node version 12.x.
+Make sure you are using node version 16.x.
 
 Then, you may run: