diff --git a/README.md b/README.md
index bee9ad5..2f96dbd 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
 # Working sources
 
-This folder contains working sources for posts that contain one. Posts
-reference sources at the end while sources reference the post at the
-beginning.
+This folder contains working sources for posts that contain one. Most
+directories contain a full example with a README file.
diff --git a/install-nextcloud-onlyoffice-postgres/docker-compose.yml b/install-nextcloud-onlyoffice-postgres/docker-compose.yml
new file mode 100644
index 0000000..aa23ac1
--- /dev/null
+++ b/install-nextcloud-onlyoffice-postgres/docker-compose.yml
@@ -0,0 +1,36 @@
+version: "3"
+services:
+  app:
+    container_name: app-server
+    image: nextcloud:fpm
+    restart: always
+    expose:
+      - "80"
+      - "9000"
+    volumes:
+      - app_data:/var/www/html
+  onlyoffice-document-server:
+    container_name: onlyoffice-document-server
+    image: onlyoffice/documentserver:latest
+    restart: always
+    expose:
+      - "80"
+      - "443"
+    volumes:
+      - document_data:/var/www/onlyoffice/Data
+      - document_log:/var/log/onlyoffice
+  nginx:
+    container_name: nginx-server
+    image: nginx
+    restart: always
+    ports:
+      - 80:80
+      - 443:443
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf
+      - app_data:/var/www/html
+volumes:
+  document_data:
+  document_log:
+  app_data:
+  mysql_data: