Update redis Docker tag to v8

compute-1-mep/forgejo/docker-compose.yaml

@@ -82,7 +82,7 @@ services:
     depends_on:
       - cache
   cache:
-    image: "redis:7-alpine"
+    image: "redis:8-alpine"
     restart: always
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]

compute-1-mep/searx/docker-compose.yaml

@@ -37,7 +37,7 @@ services:
       - "traefik.http.routers.searx.rule=Host(`searx.gnous.eu`)"
       - "traefik.http.routers.searx.middlewares=proxyHeader@file,proxyError@file"
   redis:
-    image: "redis:7.4-alpine"
+    image: "redis:8.0-alpine"
     command: 'redis-server --save "" --appendonly "no"'
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]

compute-2-mep/mastodon/docker-compose.yaml

@@ -5,7 +5,7 @@ networks:
 
 services:
   redis:
-    image: redis:7-alpine
+    image: redis:8-alpine
     restart: always
     healthcheck:
       test: ["CMD", "redis-cli", "ping"]