fix(docker): rewrite trailing slashes with AURWEB_FASTAPI_PREFIX

Signed-off-by: Kevin Morris <kevr@0cost.org>

docker-compose.aur-dev.yml

@@ -69,6 +69,8 @@ services:
       - data:/data
 
   nginx:
+    environment:
+      - AURWEB_FASTAPI_PREFIX=${AURWEB_FASTAPI_PREFIX}
     restart: always
     volumes:
       - data:/data

docker-compose.yml

@@ -244,7 +244,7 @@ services:
     image: aurweb:latest
     init: true
     environment:
-      - AUR_CONFIG=conf/config
+      - AURWEB_FASTAPI_PREFIX=${AURWEB_FASTAPI_PREFIX}
     entrypoint: /docker/nginx-entrypoint.sh
     command: /docker/scripts/run-nginx.sh
     ports:

docker/config/nginx.conf

@@ -94,7 +94,9 @@ http {
         ssl_certificate /etc/ssl/certs/web.cert.pem;
         ssl_certificate_key /etc/ssl/private/web.key.pem;
 
-        rewrite ^/(.*)/$ /$1 permanent;
+        # Rewrite trailing slashes; AURWEB_FASTAPI_PREFIX should
+        # be replaced with the desired FastAPI base url.
+        rewrite ^/(.*)/$ AURWEB_FASTAPI_PREFIX/$1 permanent;
 
         location ~ ^/[^\/]+\.gz$ {
             # Override mime type to text/plain.

docker/nginx-entrypoint.sh

@@ -20,5 +20,6 @@ else
 fi
 
 cp -vf /docker/config/nginx.conf /etc/nginx/nginx.conf
+sed -i "s|AURWEB_FASTAPI_PREFIX|${AURWEB_FASTAPI_PREFIX}|g" /etc/nginx/nginx.conf
 
 exec "$@"