fix: set api url from environment variable

Author: openscript

.changeset/tender-icons-cheat.md

@@ -0,0 +1,5 @@
+---
+"@quassel/frontend": patch
+---
+
+Fix sed to set api url from environment variable

apps/frontend/.docker/entrypoint.sh

@@ -3,6 +3,6 @@ set -xe
 
 : "${API_URL?Define the api endpoint}"
 
-sed -i "s/\/\/REPLACE_WITH_API_URL/$API_URL/g" /usr/share/nginx/html/index.html
+sed -i "s|//REPLACE_WITH_API_URL|$API_URL|g" /usr/share/nginx/html/index.html
 
 exec "$@"

docs/setup.md

@@ -115,7 +115,7 @@ The following steps describe how to set up the application system:
       - `SESSION_SALT` to a 8byte random hex string with `openssl rand -hex 8`
       - `DATABASE_PASSWORD` set a more secure password for the database
    - **frontend**:
-      - `API_URL` set to a escaped URL so it works with sed (e.g. "https:\\/\\/api.test.example.com")
+      - `API_URL` point to the API endpoint (e.g. "https://api.test.example.com")
 1. Run application system
 
    ```bash