add n8n deployment

n8n/postgres-configmap.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: init-data
+  namespace: n8n
+data:
+  init-data.sh: |
+    #!/bin/bash
+    set -e;
+    if [ -n "${POSTGRES_NON_ROOT_USER:-}" ] && [ -n "${POSTGRES_NON_ROOT_PASSWORD:-}" ]; then
+    	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    		CREATE USER "${POSTGRES_NON_ROOT_USER}" WITH PASSWORD '${POSTGRES_NON_ROOT_PASSWORD}';
+    		GRANT ALL PRIVILEGES ON DATABASE ${POSTGRES_DB} TO "${POSTGRES_NON_ROOT_USER}";
+    	EOSQL
+    else
+    	echo "SETUP INFO: No Environment variables given!"
+    fi