Development: use wrangler locally (Docker container) (#192)

* Development: use `wrangler` locally (Docker container)

Start a new `wrangler` Docker container for the development worker/server
process that executes the JS file.

Related readthedocs/addons#217

* Update wrangler host

* Use `proxito` as server_name

* Minor updates

* Define the Addons version via environment variable

* Add a small comment about on the `--host` parameter

Author: humitos

dockerfiles/docker-compose.yml

@@ -22,13 +22,38 @@ services:
       - web
       - proxito
       - storage
+      - wrangler
+    networks:
+      readthedocs:
+    environment:
+      - NGINX_ADDONS_GITHUB_TAG=0.9.5
     volumes:
       - ${PWD}/dockerfiles/nginx:/etc/nginx/templates
     # Disable logs for NGINX by default because they are too noisy and we have
     # better logs in our application code
     logging:
       driver: "none"
 
+  wrangler:
+    build:
+      context: ${PWD}
+      dockerfile: ${PWD}/dockerfiles/Dockerfile.wrangler
+    volumes:
+      - ${PWD}/dockerfiles/force-readthedocs-addons.js:/usr/src/app/docker/force-readthedocs-addons.js
+    networks:
+      readthedocs:
+    command: [
+      "wrangler",
+      "dev",
+      "/usr/src/app/docker/force-readthedocs-addons.js",
+      "--name=force-addons",
+      "--latest",
+      "--log-level=error",
+      "--host=nginx:8080",  # El Proxito on NGINX configuration
+      "--ip=0.0.0.0",
+      "--port=8000",
+    ]
+
   proxito:
     volumes:
       - ${PWD}/common/dockerfiles/entrypoints/common.sh:/usr/src/app/docker/common.sh