diff --git a/.env.example b/.env.example
index 22959ab..f362786 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,7 @@
 # Airflow Configuration
 AIRFLOW_USER=admin
 AIRFLOW_PASSWORD=admin
+AIRFLOW__WEBSERVER__SECRET_KEY=your-super-secret-key-here-replace-with-actual-random-key
 
 # PostgreSQL (Airflow metadata)
 PG_USER=airflow
diff --git a/Makefile b/Makefile
index bc853ed..3764822 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ SHELL := /bin/bash
 UV := uv
 PYTHON_VERSION := 3.11
 
-.PHONY: up down airflow-init logs gp-psql ddl-gp dev-setup dev-sync dev-lock test lint fmt clean-venv
+.PHONY: up down start stop airflow-init logs gp-psql ddl-gp dev-setup dev-sync dev-lock test lint fmt clean-venv
 
 up:
 	docker compose -f docker-compose.yml up -d
@@ -10,6 +10,12 @@ up:
 down:
 	docker compose -f docker-compose.yml down -v
 
+start:
+	docker compose -f docker-compose.yml start
+
+stop:
+	docker compose -f docker-compose.yml stop
+
 airflow-init:
 	docker compose -f docker-compose.yml run --rm airflow-init
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 73e9613..8d4a58e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -47,6 +47,7 @@ services:
     environment:
       AIRFLOW__CORE__LOAD_EXAMPLES: "False"
       AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${PG_USER}:${PG_PASSWORD}@pgmeta:5432/${PG_DB}
+      AIRFLOW__WEBSERVER__SECRET_KEY: ${AIRFLOW__WEBSERVER__SECRET_KEY}
     command: >
       bash -lc "pip install --no-cache-dir -r /opt/airflow/requirements.txt &&
       airflow webserver"
@@ -69,6 +70,7 @@ services:
     environment:
       AIRFLOW__CORE__LOAD_EXAMPLES: "False"
       AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${PG_USER}:${PG_PASSWORD}@pgmeta:5432/${PG_DB}
+      AIRFLOW__WEBSERVER__SECRET_KEY: ${AIRFLOW__WEBSERVER__SECRET_KEY}
     command: >
       bash -lc "pip install --no-cache-dir -r /opt/airflow/requirements.txt &&
       airflow scheduler"
@@ -89,6 +91,7 @@ services:
     environment:
       AIRFLOW__CORE__LOAD_EXAMPLES: "False"
       AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${PG_USER}:${PG_PASSWORD}@pgmeta:5432/${PG_DB}
+      AIRFLOW__WEBSERVER__SECRET_KEY: ${AIRFLOW__WEBSERVER__SECRET_KEY}
     volumes:
       - ./airflow/dags:/opt/airflow/dags
       - ./airflow/requirements.txt:/opt/airflow/requirements.txt