✨(deploy) add Scalingo buildpack + dynamic favicon

bin/export_pg_vars.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Parse DATABASE_URL into individual PG* environment variables.
+# Usage: source bin/export_pg_vars.sh
+#
+# Needed because PHP (server.php) and psql (init-database.sh) expect
+# PGHOST, PGPORT, PGDATABASE, PGUSER, PGPASSWORD — but Scalingo only
+# provides DATABASE_URL.
+
+if [ -n "$DATABASE_URL" ] && [ -z "$PGHOST" ]; then
+  eval "$(python3 -c "
+import os, urllib.parse
+u = urllib.parse.urlparse(os.environ['DATABASE_URL'])
+print(f'export PGHOST=\"{u.hostname}\"')
+print(f'export PGPORT=\"{u.port or 5432}\"')
+print(f'export PGDATABASE=\"{u.path.lstrip(\"/\")}\"')
+print(f'export PGUSER=\"{u.username}\"')
+print(f'export PGPASSWORD=\"{urllib.parse.unquote(u.password)}\"')
+")"
+  echo "-----> Parsed DATABASE_URL into PG* vars (host=$PGHOST port=$PGPORT db=$PGDATABASE)"
+fi