Migrated some application to MariaDB and changed versions of Postgres to stay compatible with current installations

roles/docker-matrix/templates/docker-compose.yml.j2

@@ -4,7 +4,7 @@ services:
   
   synapse:
     image: matrixdotorg/synapse:latest
-    restart: unless-stopped
+    restart: always
     logging:
       driver: journald
     volumes:
@@ -18,24 +18,24 @@ services:
       - "127.0.0.1:{{http_port}}:8008"
     depends_on:
       - database
-
   database:
     logging:
-        driver: journald
-    image: postgres:alpine
-    restart: unless-stopped
-    volumes:
-      - database:/var/lib/postgresql/data
+      driver: journald
+    image: mariadb
+    restart: always
     environment:
-      - POSTGRES_DB=matrix
-      - POSTGRES_USER=matrix
-      - POSTGRES_PASSWORD={{matrix_database_password}}
-      - POSTGRES_INITDB_ARGS=--encoding=UTF8 --locale=C
+      MYSQL_DATABASE: "matrix"
+      MYSQL_USER: "matrix"
+      MYSQL_PASSWORD: "{{matrix_database_password}}"
+      MYSQL_ROOT_PASSWORD: "{{matrix_database_password}}"
+      MARIADB_AUTO_UPGRADE: "1"
+    volumes:
+      - database:/var/lib/mysql
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U matrix"]
-      interval: 10s
-      timeout: 5s
-      retries: 6
+      test: "/usr/bin/mariadb --user=matrix --password={{matrix_database_password}} --execute \"SHOW DATABASES;\""
+      interval: 3s
+      timeout: 1s
+      retries: 5
 
   # bridges
   #mautrix-telegram:

roles/docker-matrix/templates/homeserver.yaml.j2

@@ -9,7 +9,7 @@ listeners:
       - names: [client, federation]
         compress: false
 database:
-  name: psycopg2
+  name: mysql
   args:
     user: matrix
     password: {{matrix_database_password}}