Migrate Nextcloud database to PostgreSQL

roles/daily-backup/templates/fullBackup.sh

@@ -8,7 +8,7 @@ REPOSITORY=ssh://backup@212.129.12.205:22/./
 export BORG_PASSPHRASE='{{backup_borg_passphrase}}'
 
 echo 'Dumping NextCloud database'
-docker exec nextcloud_db_1 sh -c "mysqldump -u nextcloud -p{{nextcloud_mysql_password}} nextcloud > /backups/database.dmp"
+docker exec nextcloud_postgres_1 sh -c "pg_dump -U nextcloud nextcloud > /backups/database.dmp"
 
 echo 'Dumping S.T.B. wordpress database'
 docker exec stb_db_1 sh -c "mysqldump -u stb -p{{stb_mysql_password}} stb > /backups/database.dmp"

roles/nextcloud-docker/files/nextcloud/docker-compose.yml

@@ -22,7 +22,6 @@ services:
       - "traefik.default.protocol=http"
     depends_on:
       - app
-#      - collabora
     networks:
       - web
       - default
@@ -36,25 +35,23 @@ services:
       - /data:/media
       - /etc/localtime:/etc/localtime:ro
     environment:
-      - MYSQL_HOST=db
       - NEXTCLOUD_UPDATE=1
     depends_on:
-      - db
+      - postgres
       - redis
     restart: always
 
-  db:
-    image: mariadb
+  postgres:
+    image: postgres
     volumes:
-      - /var/lib/mariadb/nextcloud:/var/lib/mysql
-      - ./db/custom.cnf:/etc/mysql/conf.d/custom.cnf
+      - /var/lib/postgresql/nextcloud:/var/lib/postgresql/data
       - /backups/nextcloud:/backups
       - /etc/localtime:/etc/localtime:ro
     environment:
       - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
-      - MYSQL_DATABASE=${MYSQL_DATABASE}
-      - MYSQL_USER=${MYSQL_USER}
-      - MYSQL_PASSWORD=${MYSQL_PASSWORD}
+      - POSTGRES_DB=nextcloud
+      - POSTGRES_USER=nextcloud
+      - POSTGRES_PASSWORD=${MYSQL_PASSWORD}
     restart: always
 
   redis:

roles/nextcloud-docker/templates/nextcloud/config/database.config.php

@@ -1,11 +1,9 @@
 <?php
 $CONFIG = array (
-  'dbtype' => 'mysql',
+  'dbtype' => 'pgsql',
   'dbname' => 'nextcloud',
-  'dbhost' => 'db',
-  'dbport' => '3306',
+  'dbhost' => 'postgres',
   'dbtableprefix' => 'oc_',
   'dbuser' => 'nextcloud',
-  'dbpassword' => '{{nextcloud_mysql_password}}',
-  'mysql.utf8mb4' => true
+  'dbpassword' => '{{nextcloud_mysql_password}}'
 );