migrate to v4

public/v4/apps/redis.yml

@@ -0,0 +1,35 @@
+captainVersion: 4
+services:
+  $$cap_appname:
+    volumes:
+      - $$cap_appname-redis-data:/data
+    restart: always
+    environment:
+      REDIS_PASSWORD: $$cap_redis_password
+    caproverExtra:
+      dockerfileLines:
+        - FROM redis:$$cap_redis_version
+        - CMD exec redis-server --requirepass "$$cap_redis_password"
+      notExposeAsWebApp: "true"
+caproverOneClickApp:
+  variables:
+    - id: $$cap_redis_version
+      label: Redis Version Tag
+      description: "Check out their Docker page for the valid tags: https://hub.docker.com/_/redis?tab=tags"
+      defaultValue: "5"
+      validRegex: /^([^\s^\/])+$/
+    - id: $$cap_redis_password
+      label: Redis Password
+      validRegex: /^([a-zA-Z0-9-_])+$/
+  instructions:
+    start: >-
+      Redis is an open source key-value store that functions as a data structure server.
+
+       After installation on CapRover, it will be available as srv-captain--YOUR_CONTAINER_NAME at port 6379 to other CapRover apps.
+
+       Enter your Redis container name and click on next. It will take about a minute for the process to finish.
+    end: "Redis is deployed and available as srv-captain--$$cap_appname:6379 to other apps. For example with NodeJS: const client = redis.createClient(6379, 'srv-captain--$$cap_appname' , {password: '$$cap_redis_password'})"
+  displayName: ""
+  isOfficial: true
+  description: Redis is an in-memory data structure store, used as a database, cache and message broker
+  documentation: Taken from https://hub.docker.com/_/redis