diff --git a/start.sh b/start.sh
index dd8426a..a20dedc 100644
--- a/start.sh
+++ b/start.sh
@@ -1037,6 +1037,66 @@ echo "==> Created Caddy config at /app/data/caddy/Caddyfile"
 
 # Start Caddy server
 echo "==> Starting Caddy server"
+
+# First inject the config.js script tags into all HTML files
+echo "==> Injecting config.js into web application HTML files"
+
+# Function to inject the script tag
+inject_script_tag() {
+    file="$1"
+    if [ -f "$file" ]; then
+        echo "==> Injecting config.js into $file"
+        # Make a backup just in case
+        cp "$file" "${file}.bak"
+        # Insert the script tag right after the opening head tag
+        sed -i 's/<head>/<head>\n    <script src="\/config.js" type="text\/javascript"><\/script>/' "$file"
+    else
+        echo "==> WARNING: Could not find $file to inject config script"
+    fi
+}
+
+# Inject into all the web apps
+inject_script_tag "/app/web/photos/index.html"
+inject_script_tag "/app/web/accounts/index.html"
+inject_script_tag "/app/web/auth/index.html"
+inject_script_tag "/app/web/cast/index.html"
+
+# Also create a runtime-config.js file with properly escaped content
+cat > /app/web/photos/runtime-config.js <<EOT
+// Runtime configuration for Ente
+window.ENTE_CONFIG = {
+    API_URL: '${API_ENDPOINT}',
+    PUBLIC_ALBUMS_URL: '${CLOUDRON_APP_ORIGIN}/public'
+};
+
+// Next.js environment variables
+window.process = window.process || {};
+window.process.env = window.process.env || {};
+window.process.env.NEXT_PUBLIC_ENTE_ENDPOINT = '${API_ENDPOINT}';
+window.process.env.NEXT_PUBLIC_ENTE_PUBLIC_ALBUMS_ENDPOINT = '${CLOUDRON_APP_ORIGIN}/public';
+
+console.log('Ente runtime config loaded from runtime-config.js');
+console.log('API_URL:', window.ENTE_CONFIG.API_URL);
+console.log('PUBLIC_ALBUMS_URL:', window.ENTE_CONFIG.PUBLIC_ALBUMS_URL);
+EOT
+
+# Copy the runtime-config.js to each app directory
+for app_dir in /app/web/photos /app/web/accounts /app/web/auth /app/web/cast; do
+    cp /app/web/photos/runtime-config.js "$app_dir/"
+    
+    # Update the HTML to include this file too
+    index_file="$app_dir/index.html"
+    if [ -f "$index_file" ]; then
+        echo "==> Adding runtime-config.js to $index_file"
+        sed -i 's/<\/head>/<script src="runtime-config.js" type="text\/javascript"><\/script>\n    <\/head>/' "$index_file"
+    fi
+done
+
+# Ensure all files are readable
+chmod -R 644 /app/web/*/runtime-config.js
+
+echo "==> Config injected into all web applications"
+
 caddy start --config /app/data/caddy/Caddyfile --adapter caddyfile &
 CADDY_PID=$!
 echo "==> Caddy started with PID $CADDY_PID"
