diff --git a/.envrc.sample b/.envrc.sample
index 4495759..a98d081 100644
--- a/.envrc.sample
+++ b/.envrc.sample
@@ -6,8 +6,9 @@ export LETS_ENCRYPT_ENV=production
 # Selfoss options, see https://www.selfoss.aditu.de/#configuration
 
 # Options are sqlite, pgsql, mysql; currently sqlite and pgsql are supported
-# If you choose pgsql
+# If you choose pgsql, uncomment the COMPOSE_FILE line
 export SELFOSS_DB_TYPE=sqlite
+#export COMPOSE_FILE="compose.yml:compose.postgres.yml"
 
 # Set these two variables to enable authentication
 export SELFOSS_USERNAME=
diff --git a/compose.postgres.yml b/compose.postgres.yml
new file mode 100644
index 0000000..c5917a3
--- /dev/null
+++ b/compose.postgres.yml
@@ -0,0 +1,37 @@
+---
+version: '3.8'
+
+services:
+  postgres:
+    image: "postgres:9.6.5"
+    volumes:
+      - "postgres:/var/lib/postgresql/data"
+    networks:
+      - internal
+    environment:
+      POSTGRES_USER: selfoss
+      POSTGRES_PASSWORD_FILE: /run/secrets/db_password
+      POSTGRES_DB: selfoss
+    secrets:
+      - db_password
+
+  selfoss: 
+    networks:
+      - internal
+    depends_on:
+      - postgres
+    secrets:
+      - db_password
+    environment:
+      - SELFOSS_DB_HOST=postgres
+      - SELFOSS_DB_NAME=selfoss
+      - SELFOSS_DB_USERNAME=selfoss
+      - SELFOSS_DB_PASSWORD_FILE=/run/secrets/db_password
+
+volumes:
+  postgres:
+
+secrets:
+  db_password:    
+    external: true 
+    name: ${STACK_NAME}_db_password_${DB_PASSWORD_VERSION}
diff --git a/compose.yml b/compose.yml
index 3e85fe3..6cea6e3 100644
--- a/compose.yml
+++ b/compose.yml
@@ -2,19 +2,6 @@
 version: '3.8'
 
 services:
-  postgres:
-    image: "postgres:9.6.5"
-    volumes:
-      - "postgres:/var/lib/postgresql/data"
-    networks:
-      - internal
-    environment:
-      POSTGRES_USER: selfoss
-      POSTGRES_PASSWORD_FILE: /run/secrets/db_password
-      POSTGRES_DB: selfoss
-    secrets:
-      - db_password
-
   selfoss:
     image: akito13/selfoss
     volumes:
@@ -41,12 +28,7 @@ services:
       #- SELFOSS_PASSWORD_FILE=/run/secrets/selfoss_password
       - SELFOSS_DB_TYPE
       - SELFOSS_LOGGER_LEVEL
-      - SELFOSS_DB_HOST=postgres
-      - SELFOSS_DB_NAME=selfoss
-      - SELFOSS_DB_USERNAME=selfoss
-      - SELFOSS_DB_PASSWORD_FILE=/run/secrets/db_password
-    secrets:
-      - db_password
+    #secrets:
       # TODO 3wc: see above note about issue #3
       #- selfoss_password
     entrypoint: /docker-entrypoint.sh
@@ -56,9 +38,6 @@ services:
         mode: 0555
     networks:
       - proxy
-      - internal
-    depends_on:
-      - postgres
     healthcheck:
       test: ["CMD", "wget", "-qO", "-", "http://localhost:8888"]
       interval: 30s
@@ -73,12 +52,8 @@ networks:
 
 volumes:
   selfoss:
-  postgres:
 
-secrets:
-  db_password:    
-    external: true 
-    name: ${STACK_NAME}_db_password_${DB_PASSWORD_VERSION}
+#secrets:
   # TODO 3wc: see above note about issue #3
   #selfoss_password:    
   #  external: true