feat: Containerize WebSocket server

.dockerignore

@@ -43,4 +43,5 @@ install/
 superset-frontend/cypress-base/
 superset-frontend/coverage/
 superset/static/assets/
+superset-websocket/dist/
 venv

docker-compose.yml

@@ -61,6 +61,34 @@ services:
     environment:
       CYPRESS_CONFIG: "${CYPRESS_CONFIG}"
 
+  superset-websocket:
+    container_name: superset_websocket
+    build: ./superset-websocket
+    image: superset-websocket
+    ports:
+      - 8080:8080
+    depends_on:
+      - redis
+    # Mount everything in superset-websocket into container and
+    # then exclude node_modules and dist with bogus volume mount.
+    # This is necessary because host and container need to have
+    # their own, separate versions of these files. .dockerignore
+    # does not seem to work when starting the service through
+    # docker-compose.
+    #
+    # For example, node_modules may contain libs with native bindings.
+    # Those bindings need to be compiled for each OS and the container
+    # OS is not necessarily the same as host OS.
+    volumes:
+      - ./superset-websocket:/home/superset-websocket
+      - /home/superset-websocket/node_modules
+      - /home/superset-websocket/dist
+    environment:
+      - PORT=8080
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+      - REDIS_SSL=false
+
   superset-init:
     image: *superset-image
     container_name: superset_init

superset-websocket/.dockerignore

@@ -0,0 +1,16 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+node_modules/
+dist/

superset-websocket/Dockerfile

@@ -0,0 +1,24 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+FROM node:14.16.1
+
+WORKDIR /home/superset-websocket
+
+COPY . .
+
+RUN npm ci
+RUN npm run build
+
+CMD ["npm", "start"]