misc: Add config volume for caddy

Makes the container runnable.

Dockerfile

@@ -79,10 +79,20 @@ COPY --from=ui-build ui/dist /usr/share/nginx/html
 # Create caddy reverse proxy
 FROM docker.io/caddy AS caddy
 RUN <<EOF cat > /etc/caddy/Caddyfile
-auto_https off
+{
-localhost:8080
+    debug
-reverse_proxy /api/* web:8080
+    auto_https off
-reverse_proxy * ui:80
+    http_port 8080
+}
+
+localhost
+route /api/* {
+    reverse_proxy /api/* web:8080
+}
+route {
+    reverse_proxy ui:80
+}
+
 EOF
 
 EXPOSE 8080

docker-compose.yml

@@ -67,6 +67,8 @@ services:
       - web
     ports:
       - 8081:8080
+    volumes:
+      - caddy_config:/config
 
   db:
     image: docker.io/postgres:15-alpine
@@ -83,3 +85,6 @@ services:
       timeout: 5s
       retries: 5
       start_period: 60s
+
+volumes:
+  caddy_config: