diff --git a/Dockerfile b/Dockerfile
index b800537..895d1ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,12 +31,14 @@ RUN echo "@testing http://dl-4.alpinelinux.org/alpine/edge/testing" >> /etc/apk/
       php7-mbstring@testing \
       php7-openssl@testing \
       php7-pdo_mysql@testing \
+      php7-pdo_pgsql@testing \
       php7-pdo_sqlite@testing \
       php7-phar@testing \
       php7-session@testing \
       php7-xml@testing \
       php7@testing\
       py-mysqldb \
+      py-psycopg2 \
       py-simplejson \
       s6 \
  && rm -rf /var/cache/apk/*
diff --git a/README.md b/README.md
index 587faaa..c3531b9 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ Default login is `wallabag:wallabag`.
 ## Environment variables
 
 - `-e MYSQL_ROOT_PASSWORD=...` (needed for the mariadb container to initialise and for the entrypoint in the wallabag container to create a database and user if its not there)
+- `-e POSTGRES_PASSWORD=...` (needed for the posgres container to initialise and for the entrypoint in the wallabag container to create a database and user if not there)
 - `-e SYMFONY__ENV__DATABASE_DRIVER=...` (defaults to "pdo_sqlite", this sets the database driver to use)
 - `-e SYMFONY__ENV__DATABASE_HOST=...` (defaults to "127.0.0.1", if use mysql this should be the name of the mariadb container)
 - `-e SYMFONY__ENV__DATABASE_PORT=...` (port of the database host)
@@ -39,7 +40,16 @@ For using mariadb or mysql you have to define some environment variables with th
 
 ```
 $ docker run docker run --name wallabag-db -e "MYSQL_ROOT_PASSWORD=my-secret-pw" -d mariadb
-$ docker run --name wallabag --link wallabag-db:wallabag-db -e "MYSQL_ROOT_PASSWORD=my-secret-pw" -e "SYMFONY__ENV__DATABASE_DRIVER=pdo_mysql" -e "SYMFONY__ENV__DATABASE_HOST=wallabag-db" -e "SYMFONY__ENV__DATABASE_PORT=3306" -e "SYMFONY__ENV__DATABASE_NAME=wallabag" -e "SYMFONY__ENV__DATABASE_USER=wallabag" -e "SYMFONY__ENV__DATABASE_PASSWORD=wallapass" -p 80:80 xsteadfastx/wallabag
+$ docker run --name wallabag --link wallabag-db:wallabag-db -e "MYSQL_ROOT_PASSWORD=my-secret-pw" -e "SYMFONY__ENV__DATABASE_DRIVER=pdo_mysql" -e "SYMFONY__ENV__DATABASE_HOST=wallabag-db" -e "SYMFONY__ENV__DATABASE_PORT=3306" -e "SYMFONY__ENV__DATABASE_NAME=wallabag" -e "SYMFONY__ENV__DATABASE_USER=wallabag" -e "SYMFONY__ENV__DATABASE_PASSWORD=wallapass" -p 80:80 wallabag/wallabag
+```
+
+## postgresql
+
+For using postgresql you have to define some environment variables with the container. Example:
+
+```
+$ docker run docker run --name wallabag-db -e "POSTGRES_PASSWORD=my-secret-pw" -d postgres
+$ docker run --name wallabag --link wallabag-db:wallabag-db -e "POSTGRES_PASSWORD=my-secret-pw" -e "SYMFONY__ENV__DATABASE_DRIVER=pdo_pgsql" -e "SYMFONY__ENV__DATABASE_HOST=wallabag-db" -e "SYMFONY__ENV__DATABASE_PORT=5432" -e "SYMFONY__ENV__DATABASE_NAME=wallabag" -e "SYMFONY__ENV__DATABASE_USER=wallabag" -e "SYMFONY__ENV__DATABASE_PASSWORD=wallapass" -p 80:80 wallabag/wallabag
 ```
 
 ## docker-compose
@@ -50,8 +60,7 @@ It's a good way to use [docker-compose](https://docs.docker.com/compose/). Examp
 version: '2'
 services:
   wallabag:
-    build:
-      context: wallabag/
+    image: wallabag/wallabag
     environment:
       - MYSQL_ROOT_PASSWORD=wallaroot
       - SYMFONY__ENV__DATABASE_DRIVER=pdo_mysql
diff --git a/root/etc/ansible/entrypoint.yml b/root/etc/ansible/entrypoint.yml
index ae6a4d1..08c306c 100644
--- a/root/etc/ansible/entrypoint.yml
+++ b/root/etc/ansible/entrypoint.yml
@@ -9,7 +9,8 @@
     database_name: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_NAME') }}"
     database_password: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_PASSWORD') }}"
     database_port: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_PORT') }}"
-    database_root_password: "{{ lookup('env', 'MYSQL_ROOT_PASSWORD') }}"
+    database_root_password_mariadb: "{{ lookup('env', 'MYSQL_ROOT_PASSWORD') }}"
+    database_root_password_postgres: "{{ lookup('env', 'POSTGRES_PASSWORD') }}"
     database_user: "{{ lookup('env', 'SYMFONY__ENV__DATABASE_USER') }}"
 
   tasks:
@@ -39,16 +40,18 @@
     - name: wait for db container
       wait_for:
         host="{{ database_host }}"
-        port=3306
-      when: database_driver == 'pdo_mysql'
+        port="{{ database_port }}"
+      when: (database_driver == 'pdo_mysql') or
+            (database_driver == 'pdo_pgsql')
 
-    - name: mariadb db
+    - name: add mariadb db
       mysql_db:
         name="{{ database_name }}"
         state=present
         login_host="{{ database_host }}"
+        login_port={{ database_port }}
         login_user=root
-        login_password="{{ database_root_password }}"
+        login_password="{{ database_root_password_mariadb }}"
       notify: run install
       when: database_driver == 'pdo_mysql'
 
@@ -59,13 +62,38 @@
         password="{{ database_password }}"
         priv={{ database_name }}.*:ALL
         login_host="{{ database_host }}"
-        login_port="{{ database_port }}"
+        login_port={{ database_port }}
         login_user=root
-        login_password="{{ database_root_password }}"
+        login_password="{{ database_root_password_mariadb }}"
         state=present
       when: (database_driver == 'pdo_mysql') and
             (database_user != 'root')
 
+    - name: postgresql db
+      postgresql_db:
+        name="{{ database_name }}"
+        state=present
+        login_host="{{ database_host }}"
+        port={{ database_port }}
+        login_user=postgres
+        login_password="{{ database_root_password_postgres }}"
+      notify: run install
+      when: database_driver == 'pdo_pgsql'
+
+    - name: add postgresql user
+      postgresql_user:
+        name="{{ database_user }}"
+        password="{{ database_password }}"
+        db={{ database_name }}
+        priv=ALL
+        login_host="{{ database_host }}"
+        port={{ database_port }}
+        login_user=postgres
+        login_password="{{ database_root_password_postgres }}"
+        state=present
+      when: (database_driver == 'pdo_pgsql') and
+            (database_user != 'postgres')
+
     - name: remove cache
       file:
         path=/var/www/wallabag/var/cache