Fix docker-compose context

docker-compose.prod.yml

@@ -5,6 +5,7 @@ services:
     caddy:
         build:
             dockerfile: Dockerfile.caddy
+            context: .
         container_name: notes-caddy
         environment:
             - TZ=Europe/Brussels
@@ -20,6 +21,7 @@ services:
     api:
         build:
             dockerfile: Dockerfile.api
+            context: .
         container_name: notes-api
         env_file:
             - .env