minor additions

deployer/README.md

@@ -44,6 +44,12 @@ TODO: Ansible task to install that before the rest
 	* Nginx and docker-compose configurations
 	* Most of the work is by hand, because there is quite a lot of interaction between the host and the container (for forwarding ssh). 
 
+* Create Synapse instances 
+
+	* Configured to access PostGreSQL on host. 
+
+		* *Access through TCP*: You need to allow postgres to listen to your docker network, e.g. `172.27.0.0/16`. See `/etc/postgresql/x.y/main/pg_hba.conf`, and read the comments about changing `listen_addresses` too.
+		* Access through Unix socket: Make a non-superuser role for root, and configure Synapse to use `/var/run/postgresql` as DB host.
 
 ### Does not support
 
@@ -72,16 +78,22 @@ TODO: Ansible task to install that before the rest
 
 ## Misc 
 
+### Synapse 
+
+Someone advised me to install matrix-media-repo to enable animated thumbnails as people's avatar (https://github.com/turt2live/matrix-media-repo/blob/master/config.sample.yaml#L394), and to setup https://github.com/ma1uta/ma1sd which is a federated identity server.
+
+
+
 ### Ansible 
 
 * You can create passwords/keys in templates using the following Jinja2 command:
 	
 		{{ lookup('password', '/dev/null length=20') }}
 
-	See https://docs.ansible.com/ansible/latest/plugins/lookup/password.html ans https://docs.ansible.com/ansible/latest/user_guide/playbooks_lookups.html
+	See https://docs.ansible.com/ansible/latest/plugins/lookup/password.html and https://docs.ansible.com/ansible/latest/user_guide/playbooks_lookups.html
 	
 
-### Useful SQL commands
+### Useful MySQL commands
 
 ```sql
 select host, user, password from mysql.user order by user;

deployer/group_vars/all/vars.yml

@@ -145,6 +145,7 @@ sites:
     subnet_gateway_ip: 172.27.7.1
     subnet_site_ip: 172.27.7.2
     # PostgreSQL
+    postgres_host: /var/run/postgresql
     postgres_database: synapse_test
     postgres_username: synapse_test
     postgres_password: "{{ vault_synapse_test_postgres_password }}"

deployer/roles/build/templates/synapse/homeserver.yaml.j2

@@ -633,7 +633,7 @@ database:
    user: "{{ site.postgres_username }}"
    password: "{{ site.postgres_password }}"
    database: "{{ site.postgres_database }}"
-   host: "{{ site.subnet_gateway_ip }}"
+   host: "{{ site.postgres_host }}"
    cp_min: 5
    cp_max: 10