Add necessary nginx configs to get matrix federation to work

roles/docker/files/configs/matrix/vhost-matrix

@@ -0,0 +1 @@
+listen 8008;

roles/docker/files/configs/matrix/vhost-root

@@ -0,0 +1,14 @@
+location /_matrix {
+      proxy_pass http://0.0.0.0:8008;
+      proxy_set_header X-Forwarded-For $remote_addr;
+}
+
+location /.well-known/matrix/server {
+      default_type application/json;
+      return 200 '{"m.server": "matrix.data.coop:443"}';
+}
+
+location /.well-known/matrix/client {
+      default_type application/json;
+      return 200 '{"m.homeserver": {"base_url": "https://matrix.data.coop"}}';
+}

roles/docker/tasks/services/matrix_riot.yml

@@ -31,6 +31,11 @@
     src: files/configs/riot/riot.im.conf
     dest: "{{ riot.volume_folder }}/data/riot.im.conf"
 
+- name: upload vhost config for root domain
+  template:
+    src: files/configs/matrix/vhost-root
+    dest: "{{ nginx.volume_folder }}/vhost/{{ base_domain }}"
+
 - name: matrix database container
   docker_container:
     name: matrix_db