chore: fix shell scripts lint errors

api/compose/django/dev-entrypoint.sh

@@ -1,3 +1,5 @@
 #!/bin/sh
+
 set -e
+
 exec "$@"

api/compose/django/entrypoint.sh

@@ -1,5 +1,7 @@
 #!/bin/sh
+
 set -e
+
 # This entrypoint is used to play nicely with the current cookiecutter configuration.
 # Since docker-compose relies heavily on environment variables itself for configuration, we'd have to define multiple
 # environment variables just to support cookiecutter out of the box. That makes no sense, so this little entrypoint
@@ -9,6 +11,7 @@ if [ -z "$DATABASE_URL" ]; then
   if [ -z "$POSTGRES_ENV_POSTGRES_USER" ]; then
     export POSTGRES_ENV_POSTGRES_USER=postgres
   fi
-  export DATABASE_URL=postgres://$POSTGRES_ENV_POSTGRES_USER:$POSTGRES_ENV_POSTGRES_PASSWORD@postgres:5432/$POSTGRES_ENV_POSTGRES_USER
+  export DATABASE_URL="postgres://$POSTGRES_ENV_POSTGRES_USER:$POSTGRES_ENV_POSTGRES_PASSWORD@postgres:5432/$POSTGRES_ENV_POSTGRES_USER"
 fi
+
 exec "$@"

api/compose/django/server.sh

@@ -1,4 +1,13 @@
-#!/bin/bash -eux
-python /app/manage.py collectstatic --noinput
-python /app/manage.py migrate
-gunicorn config.asgi:application -w ${FUNKWHALE_WEB_WORKERS-1} -k uvicorn.workers.UvicornWorker -b 0.0.0.0:5000 ${GUNICORN_ARGS-}
+#!/bin/sh
+
+set -eux
+
+python3 /app/manage.py collectstatic --noinput
+python3 /app/manage.py migrate
+
+# shellcheck disable=SC2086
+gunicorn config.asgi:application \
+    --workers "${FUNKWHALE_WEB_WORKERS-1}" \
+    --worker-class uvicorn.workers.UvicornWorker \
+    --bind 0.0.0.0:5000 \
+    ${GUNICORN_ARGS-}