diff --git a/.gitignore b/.gitignore
index 78868df..92ae7ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Env file
+.env
+
 # Airflow
 logs/
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 8b9ab92..3c32f53 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -39,9 +39,9 @@ services:
   postgres:
     image: postgres:13
     environment:
-      POSTGRES_USER: salus
-      POSTGRES_PASSWORD: salus123  # for testing only
-      POSTGRES_DB: airflow
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${AIRFLOW_DB_NAME}
     volumes:
       - ./airflow_data:/var/lib/postgresql/data
     healthcheck:
diff --git a/example.env b/example.env
new file mode 100644
index 0000000..d4cc55a
--- /dev/null
+++ b/example.env
@@ -0,0 +1,3 @@
+POSTGRES_USER=salus
+POSTGRES_PASSWORD=salus123  
+AIRFLOW_DB_NAME=airflow