diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c1007e2..4c00208 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,14 +55,14 @@ The frontend is built with [SvelteKit](https://kit.svelte.dev) and written in Ty
 3. Install the dependencies with `npm install`
 4. Start the frontend with `npm run dev`
 
-You're all set!
-
 ### Reverse Proxy
 We use [Caddy](https://caddyserver.com) as a reverse proxy. You can use any other reverse proxy if you want but you have to configure it yourself.
 
 #### Setup
 Run `caddy run --config reverse-proxy/Caddyfile` in the root folder.
 
+You're all set!
+
 ### Testing
 
 We are using [Playwright](https://playwright.dev) for end-to-end testing.
diff --git a/backend/.env.example b/backend/.env.example
index 5185e92..9e439f3 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,6 +1,8 @@
 APP_ENV=production
 PUBLIC_APP_URL=http://localhost
+# /!\ If PUBLIC_APP_URL is not a localhost address, it must be HTTPS
 DB_PROVIDER=sqlite
+# MAXMIND_LICENSE_KEY=fixme # needed for IP geolocation in the audit log
 SQLITE_DB_PATH=data/pocket-id.db
 POSTGRES_CONNECTION_STRING=postgresql://postgres:postgres@localhost:5432/pocket-id
 UPLOAD_PATH=data/uploads
diff --git a/backend/internal/bootstrap/bootstrap.go b/backend/internal/bootstrap/bootstrap.go
index 3d120ae..5c1a379 100644
--- a/backend/internal/bootstrap/bootstrap.go
+++ b/backend/internal/bootstrap/bootstrap.go
@@ -6,9 +6,10 @@ import (
 )
 
 func Bootstrap() {
+	initApplicationImages()
+
 	db := newDatabase()
 	appConfigService := service.NewAppConfigService(db)
 
-	initApplicationImages()
 	initRouter(db, appConfigService)
 }
diff --git a/frontend/.env.example b/frontend/.env.example
index 1e85d58..a6586fe 100644
--- a/frontend/.env.example
+++ b/frontend/.env.example
@@ -1,2 +1,3 @@
 PUBLIC_APP_URL=http://localhost
+# /!\ If PUBLIC_APP_URL is not a localhost address, it must be HTTPS
 INTERNAL_BACKEND_URL=http://localhost:8080