diff --git a/.env.example b/.env.example
index 4ae2841..14b70e7 100644
--- a/.env.example
+++ b/.env.example
@@ -4,6 +4,10 @@ SENTRY_DSN=https://460e310d034c49a794941e087c4fcc6e@sentry.io/1196285
 DEFAULT_HAYSTACK_URL=es+https://tcjf1ngoog:qj70l67kk2@tagesschule-elementa-8329801232.eu-west-1.bonsaisearch.net/index-*
 DATABASE_URL=postgres://django:MuzQzD6yLyaksfw9f6NUDLsK6Tp7gD7f8uX@postgres:5432/db
 HTTP_PORT=8009
-HTTPS_PORT=4047
 POSTGRES_PASSWORD=MuzQzD6yLyaksfw9f6NUDLsK6Tp7gD7f8uX
 POSTGRES_USER=django
+POSTGRES_DB=db
+POSTGRES_DATA_DIR=./docker/pgdata
+MEDIA_DIR=./docker/data/media
+DATA_DIR=./docker/data
+STATIC_DIR=./docker/static_collected
diff --git a/README.md b/README.md
index edac68d..5d452ad 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,8 @@
 
 1. Copy environment files `.env*.example` to `.env*` and make the configuration changes.
 Configure database user and ports for docker.
-    - HTTP_PORT=8009 [.env]
-    - HTTPS_PORT=4047 [.env]      
+    - HTTP_PORT=8009 [.env] ...
+          
       
 2. Main app has several mountpoints / volumes. Point them into the appropriate location on 
 your filesystem  
diff --git a/docker-compose.yml b/docker-compose.yml
index b42ef07..0801668 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,10 +6,10 @@ services:
     links:
       - "db:postgres"
     volumes:
-      - ".:/app:rw"
-      - "./docker/data:/data:rw"
-      - ./docker/static_collected:/app/static_collected
-      - ./docker/data/media:/app/data/media
+      - .:/app:rw
+      - ${DATA_DIR}:/data:rw
+      - ${STATIC_DIR}:/app/static_collected
+      - ${MEDIA_DIR}:/app/data/media
     networks:
       - db_network
     command: "/bin/sh -c '/app/wait-for-postgres.sh postgres /app/run.sh'"
@@ -22,7 +22,7 @@ services:
     env_file:
       - ./.env-db
     volumes:
-      - "./docker/pgdata:/var/lib/postgresql/data:rw"
+      - ${POSTGRES_DATA_DIR}:/var/lib/postgresql/data:rw
     networks:
       - db_network