add: subclass UvicornWorker to provide subpath

docker/Dockerfile

@@ -24,6 +24,6 @@ CMD [ \
     # might use exact migration hash here instead of upgrading to the latest "heads"
     "alembic upgrade heads \
     && \
-    gunicorn --workers=2 --worker-class=uvicorn.workers.UvicornWorker --bind=0.0.0.0:8000 \
-    geodata.main:app --root-path=/api/v1" \
+    gunicorn --workers=2 --worker-class=util.MyUvicornWorker --bind=0.0.0.0:8000 \
+    geodata.main:app" \
 ]

src/util.py

@@ -0,0 +1,5 @@
+from uvicorn.workers import UvicornWorker
+
+
+class MyUvicornWorker(UvicornWorker):
+    CONFIG_KWARGS = {"root-path": "/api/v1"}