diff --git a/.dockerignore b/.dockerignore
index f56202ae..04606cab 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -5,6 +5,7 @@ data
 docker
 node_modules
 selenium
+examples
 .all-contributorsrc
 .csslintrc
 .editorconfig
diff --git a/examples/docker_for_load_balancing/docker-compose.yml b/examples/docker_for_load_balancing/docker-compose.yml
index 3f2cee39..d9072caf 100644
--- a/examples/docker_for_load_balancing/docker-compose.yml
+++ b/examples/docker_for_load_balancing/docker-compose.yml
@@ -2,10 +2,14 @@ version: "3"
 services:
   redis:
     image: redis
-  mongo:
-    image: mongo
+  db:
+    image: postgres:10-alpine
     volumes:
-      - "./data/mongo:/data/db"
+      - ./pg_data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: root
+      POSTGRES_PASSWORD: root
+      POSTGRES_DB: ohmyform
   ui:
     image: ohmyform/ui
     environment:
@@ -20,15 +24,16 @@ services:
       ADMIN_EMAIL: admin@local.host
       ADMIN_USERNAME: admin
       ADMIN_PASSWORD: admin
-      MONGODB_URI: mongodb://mongo/ohmyform
+      DATABASE_DRIVER: postgres
+      DATABASE_URL: postgresql://root:root@db:5432/ohmyform
       MAILER_URI: smtp://local.host
       REDIS_URL: redis://redis
       PORT: 5000
     links:
-      - mongo
+      - db
       - redis
     ports:
       - "8090:5000"
     depends_on:
-      - mongo
+      - db
       - redis
diff --git a/examples/docker_minimal/docker-compose.yml b/examples/docker_minimal/docker-compose.yml
index d0d2b402..a61ef56e 100644
--- a/examples/docker_minimal/docker-compose.yml
+++ b/examples/docker_minimal/docker-compose.yml
@@ -1,22 +1,17 @@
 version: "3"
 services:
-  mongo:
-    image: mongo
-    volumes:
-      - "./data/mongo:/data/db"
   ohmyform:
     image: ohmyform/ohmyform
+    volumes:
+      - "./data:/data"
     environment:
       CREATE_ADMIN: "TRUE"
       ADMIN_EMAIL: admin@local.host
       ADMIN_USERNAME: admin
       ADMIN_PASSWORD: admin
-      MONGODB_URI: mongodb://mongo/ohmyform
+      DATABASE_DRIVER: sqlite
+      DATABASE_URL: "sqlite:///data/data.sqlite"
       MAILER_URI: smtp://local.host
-      PORT: 5000
-    links:
-      - mongo
+      LOGIN_NOTE: "Either login with admin:admin or create your own account to test OhMyForm"
     ports:
-      - "8080:5000"
-    depends_on:
-      - mongo
+      - "8080:3000"
diff --git a/examples/docker_nginx/docker-compose.yml b/examples/docker_nginx/docker-compose.yml
index bcd15adb..9475dd18 100644
--- a/examples/docker_nginx/docker-compose.yml
+++ b/examples/docker_nginx/docker-compose.yml
@@ -1,9 +1,13 @@
 version: "3"
 services:
-  mongo:
-    image: mongo
+  db:
+    image: postgres:10-alpine
     volumes:
-      - "./data/mongo:/data/db"
+      - ./pg_data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: root
+      POSTGRES_PASSWORD: root
+      POSTGRES_DB: ohmyform
   nginx:
     image: nginx:alpine
     volumes:
@@ -24,11 +28,12 @@ services:
       ADMIN_EMAIL: admin@local.host
       ADMIN_USERNAME: admin
       ADMIN_PASSWORD: admin
-      MONGODB_URI: mongodb://mongo/ohmyform
+      DATABASE_DRIVER: postgres
+      DATABASE_URL: postgresql://root:root@db:5432/ohmyform
       MAILER_URI: smtp://local.host
       REDIS_URL: redis://redis
       PORT: 5000
     links:
-      - mongo
+      - db
     depends_on:
-      - mongo
+      - db