Refactor frontend exposing code in API

Dockerfile

@@ -11,7 +11,7 @@ ADD frontend/package.json frontend/package-lock.json /opt/obs/frontend/
 RUN echo update-notifier=false >> ~/.npmrc
 RUN npm ci
 
-ADD frontend/tsconfig.json frontend/index.html frontend/webpack.config.js /opt/obs/frontend/
+ADD frontend/tsconfig.json frontend/webpack.config.js /opt/obs/frontend/
 ADD frontend/src /opt/obs/frontend/src/
 ADD frontend/public /opt/obs/frontend/public/
 

api/obs/api/app.py

@@ -1,10 +1,9 @@
 import logging
-import os
 import re
 from json import JSONEncoder, dumps
 from functools import wraps, partial
 from urllib.parse import urlparse
-from os.path import dirname, join, normpath, abspath, exists, isfile
+from os.path import dirname, join, normpath, abspath
 from datetime import datetime, date
 
 from sanic import Sanic, Blueprint
@@ -14,11 +13,11 @@ from sanic.response import (
     file as file_response,
     html as html_response,
 )
-from sanic.exceptions import Unauthorized, NotFound
+from sanic.exceptions import Unauthorized
 from sanic_session import Session, InMemorySessionInterface
 
 from sqlalchemy import select
-from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import sessionmaker
 
 from obs.api.db import User, make_session, connect_db
@@ -187,54 +186,16 @@ def json(*args, **kwargs):
     return json_response(*args, **kwargs, dumps=partial(dumps, cls=CustomJsonEncoder))
 
 
-from . import routes
-
-INDEX_HTML = (
-    join(app.config.FRONTEND_DIR, "index.html")
-    if app.config.get("FRONTEND_DIR")
-    else None
+from routes import (
+    info,
+    login,
+    stats,
+    tiles,
+    tracks,
+    users,
 )
-if INDEX_HTML and exists(INDEX_HTML):
 
-    @app.get("/config.json")
-    def get_frontend_config(req):
-        result = {
-            "basename": req.ctx.frontend_base_path,
-            **req.app.config.FRONTEND_CONFIG,
-            "apiUrl": f"{req.ctx.api_url}/api",
-            "loginUrl": f"{req.ctx.api_url}/login",
-            "obsMapSource": {
-                "type": "vector",
-                "tiles": [
-                    req.ctx.api_url
-                    + req.app.url_for("tiles", zoom="000", x="111", y="222.pbf")
-                    .replace("000", "{z}")
-                    .replace("111", "{x}")
-                    .replace("222", "{y}")
-                ],
-                "minzoom": 12,
-                "maxzoom": 14,
-            },
-        }
-
-        return json_response(result)
-
-    with open(INDEX_HTML, "rt") as f:
-        index_file_contents = f.read()
-
-    @app.get("/<path:path>")
-    def get_frontend_static(req, path):
-        print("++++++++++++++++++++++++++++++++++++++++++++++++", path)
-        if path.startswith("api/"):
-            raise NotFound()
-
-        file = join(app.config.FRONTEND_DIR, path)
-        if not exists(file) or not path or not isfile(file):
-            return html_response(
-                index_file_contents.replace("__BASE_HREF__", req.ctx.frontend_url + "/")
-            )
-
-        return file_response(file)
+from routes import frontend
 
 
 app.blueprint(api)

api/obs/api/routes/__init__.py

@@ -1,8 +0,0 @@
-from . import (
-    info,
-    login,
-    stats,
-    tiles,
-    tracks,
-    users,
-)

api/obs/api/routes/frontend.py

@@ -0,0 +1,53 @@
+from os.path import join, exists, isfile
+
+import sanic.response as response
+from sanic.exceptions import NotFound
+
+from obs.api.app import app
+
+INDEX_HTML = (
+    join(app.config.FRONTEND_DIR, "index.html")
+    if app.config.get("FRONTEND_DIR")
+    else None
+)
+if INDEX_HTML and exists(INDEX_HTML):
+
+    @app.get("/config.json")
+    def get_frontend_config(req):
+        result = {
+            "basename": req.ctx.frontend_base_path,
+            **req.app.config.FRONTEND_CONFIG,
+            "apiUrl": f"{req.ctx.api_url}/api",
+            "loginUrl": f"{req.ctx.api_url}/login",
+            "obsMapSource": {
+                "type": "vector",
+                "tiles": [
+                    req.ctx.api_url
+                    + req.app.url_for("tiles", zoom="000", x="111", y="222.pbf")
+                    .replace("000", "{z}")
+                    .replace("111", "{x}")
+                    .replace("222", "{y}")
+                ],
+                "minzoom": 12,
+                "maxzoom": 14,
+            },
+        }
+
+        return response.json(result)
+
+    with open(INDEX_HTML, "rt") as f:
+        index_file_contents = f.read()
+
+    @app.get("/<path:path>")
+    def get_frontend_static(req, path):
+        print("++++++++++++++++++++++++++++++++++++++++++++++++", path)
+        if path.startswith("api/"):
+            raise NotFound()
+
+        file = join(app.config.FRONTEND_DIR, path)
+        if not exists(file) or not path or not isfile(file):
+            return response.html(
+                index_file_contents.replace("__BASE_HREF__", req.ctx.frontend_url + "/")
+            )
+
+        return response.file(file)

docker-compose.yaml

@@ -78,15 +78,14 @@ services:
       - ./frontend/public:/opt/obs/frontend/public
       - ./frontend/tsconfig.json:/opt/obs/frontend/tsconfig.json
       - ./frontend/package.json:/opt/obs/frontend/package.json
+      - ./frontend/webpack.config.js:/opt/obs/frontend/webpack.config.js
 
       # Overwrite the default config with the development mode configuration
       - ./frontend/config.dev.json:/opt/obs/frontend/public/config.json
-    environment:
-      - PORT=3000
     links:
       - api
     ports:
-      - '3001:3000'
+      - '3001:3001'
     restart: on-failure
     command:
       - npm