Update docker.io/pretix/standalone Docker tag to v2026

Fix the issue by adding missing restart configuration to docker compose
deployments.

resources/chaosknoten/acmedns/docker_compose/compose.yaml.j2

@@ -20,3 +20,4 @@ services:
     volumes:
       - ./configs/acmedns.cfg:/etc/acme-dns/config.cfg:ro
       - ./data/acmedns:/var/lib/acme-dns
+    restart: unless-stopped

resources/chaosknoten/pad/docker_compose/compose.yaml.j2

@@ -59,6 +59,7 @@ services:
       - "SMTP_USERNAME=pad@hamburg.ccc.de"
       - "SMTP_PASSWORD={{ secret__pad_smtp_password }}"
       - "URL=https://pad.hamburg.ccc.de"
+    restart: unless-stopped
     depends_on:
       - database
 

resources/chaosknoten/sunders/docker_compose/compose.yaml.j2

@@ -18,6 +18,7 @@ services:
       timeout: 5s
       start_period: 30s
       retries: 5
+    restart: unless-stopped
 
   web:
     image: git.hamburg.ccc.de/ccchh/sunders/web:latest
@@ -33,6 +34,7 @@ services:
       IMPRESSUM_URL: https://hamburg.ccc.de/imprint/
     ports:
       - "8080:80"
+    restart: unless-stopped
     depends_on:
       data_handler:
         condition: service_started
@@ -48,6 +50,7 @@ services:
       CAMERA_USER_PASSWORD: "{{ secret__sunders_db_camera_password }}"
       CAMERA_SELECT_USER: camera_select
       CAMERA_SELECT_USER_PASSWORD: "{{ secret__sunders_db_camera_select_password }}"
+    restart: unless-stopped
     depends_on:
       db:
         condition: service_healthy

resources/chaosknoten/tickets/docker_compose/compose.yaml.j2

@@ -25,7 +25,7 @@ services:
       backend:
 
   pretix:
-    image: docker.io/pretix/standalone:2024.8
+    image: docker.io/pretix/standalone:2026.3
     command: ["all"]
     ports:
       - "8345:80"

resources/external/status/docker_compose/compose.yaml.j2

@@ -5,6 +5,7 @@
 services:
   database:
     image: docker.io/library/postgres:18.3
+    restart: always
     volumes:
       - ./database:/var/lib/postgresql
     environment: