diff --git a/.env.docker b/.env.docker
deleted file mode 100644
index 7ebc505a..00000000
--- a/.env.docker
+++ /dev/null
@@ -1,7 +0,0 @@
-## Docker database
-DATABASE_URL=postgres://my_db_user:my_db_password@postgres:5432/my_db_name
-
-## GENERAL SETTINGS
-DEBUG=True
-SECRET_KEY=local
-ALLOWED_HOSTS=127.0.0.1, localhost, 0.0.0.0
diff --git a/.env.example b/.env.example
new file mode 100644
index 00000000..98d825d9
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,6 @@
+
+## Docker database
+POSTGRES_DB=
+HOST=
+POSTGRES_USER=
+POSTGRES_PASSWORD=
diff --git a/.gitignore b/.gitignore
index 65bdf3b5..9d8d910a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,5 +112,4 @@ static
 *.sqlite3
 
 # IDE
-.idea
-.env.docker
+.idea
\ No newline at end of file
diff --git a/api_volontaria/.env.example b/api_volontaria/.env.example
index 45722b99..97263dc8 100644
--- a/api_volontaria/.env.example
+++ b/api_volontaria/.env.example
@@ -1,4 +1,5 @@
 ## GENERAL SETTINGS
 DEBUG=True
 SECRET_KEY=local
-ALLOWED_HOSTS=127.0.0.1, localhost,
+ALLOWED_HOSTS=127.0.0.1 localhost
+DATABASE_URL=postgres://my_db_user:my_db_password@postgres:5432/my_db_name
diff --git a/docker-compose.yml b/docker-compose.yml
index 3718f22a..5a36bb75 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,14 +4,14 @@ services:
   postgres:
     image: postgres:latest
     environment:
-      POSTGRES_DB: my_db_name
-      POSTGRES_USER: my_db_user
-      POSTGRES_PASSWORD: my_db_password
+      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
   web:
     restart: always
-    env_file: .env.docker
+    env_file: .env
     environment:
-      - DJANGO_SECRET_KEY=local
+      - DJANGO_SECRET_KEY=${SECRET_KEY}
     image: web
     build: ./
     command: >
@@ -31,4 +31,4 @@ services:
     volumes:
       - ./:/code
     ports:
-      - "8001:8001"
+      - "8010:8010"
diff --git a/docs/getting_started/docker.md b/docs/getting_started/docker.md
index fab46736..9a5bd195 100644
--- a/docs/getting_started/docker.md
+++ b/docs/getting_started/docker.md
@@ -35,7 +35,7 @@ docker-compose run api python source/apiVolontaria/manage.py createsuperuser
 
 ## Configurations
 
-If you want to modify some settings of your Docker image you can just overwrite your `.env.docker` file with the 
+If you want to modify some settings of your Docker image you can just overwrite your `.env` file with the 
 ENV variable that you want. Differents Django settings are based on ENV variables as you can see 
 in `source/apiVolontaria/apiVolontaria/settings.py`
 
diff --git a/wait_for_postgres.py b/wait_for_postgres.py
index a692f417..e91e591b 100644
--- a/wait_for_postgres.py
+++ b/wait_for_postgres.py
@@ -10,7 +10,7 @@
     "dbname": os.getenv("POSTGRES_DB", "postgres"),
     "user": os.getenv("POSTGRES_USER", "postgres"),
     "password": os.getenv("POSTGRES_PASSWORD", ""),
-    "host": os.getenv("DATABASE_URL", "postgres")
+    "host": os.getenv("HOST", "postgres")
 }
 
 start_time = time()
@@ -22,14 +22,14 @@
 def pg_isready(host, user, password, dbname):
     while time() - start_time < check_timeout:
         try:
-            conn = psycopg2.connect(**vars())
+            conn = psycopg2.connect(**config)
             logger.info("Postgres is ready! ✨ 💅")
             conn.close()
             return True
         except psycopg2.OperationalError:
             logger.info(
                 f"Postgres isn't ready. Waiting for {check_interval} "
-                f"{interval_unit}..."
+                f"{interval_unit}... using {config}"
             )
             sleep(check_interval)