Add KeyDB (#899)

* Add KeyDB

* Add better quality logo

* Satisfy linter

public/v4/apps/keydb.yml

@@ -0,0 +1,38 @@
+captainVersion: 4
+services:
+    $$cap_appname:
+        volumes:
+            - $$cap_appname-keydb-data:/data
+        restart: always
+        environment:
+            KEYDB_PASSWORD: $$cap_keydb_password
+        caproverExtra:
+            dockerfileLines:
+                - FROM eqalpha/keydb:$$cap_keydb_architecture_v$$cap_keydb_version
+                - CMD exec keydb-server /etc/keydb/keydb.conf --server-threads 4 --requirepass "$KEYDB_PASSWORD"
+            notExposeAsWebApp: 'true'
+caproverOneClickApp:
+    variables:
+        - id: $$cap_keydb_version
+          label: KeyDB Version
+          description: 'Check out their Docker page for the valid tags: https://hub.docker.com/r/eqalpha/keydb/tags'
+          defaultValue: '6.3.2'
+          validRegex: /^([^\s^\/])+$/
+        - id: $$cap_keydb_architecture
+          label: KeyDB Architecture
+          description: 'Choose the architecture for your KeyDB instance (x86_64 or arm64)'
+          defaultValue: 'x86_64'
+          validRegex: /^(x86_64|arm64)$/
+        - id: $$cap_keydb_password
+          label: KeyDB Password
+          validRegex: /^(\w|[^\s"])+$/
+    instructions:
+        start: >-
+            KeyDB is an open source, high-performance fork of Redis. It is fully compatible with Redis and includes additional features such as multithreading.
+            After installation on CapRover, it will be available as srv-captain--YOUR_CONTAINER_NAME at port 6379 to other CapRover apps.
+            Enter your KeyDB container name and click on next. It will take about a minute for the process to finish.
+        end: "KeyDB 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_keydb_password'})"
+    displayName: 'KeyDB'
+    isOfficial: true
+    description: KeyDB is a high-performance fork of Redis, fully compatible with Redis and includes additional features such as multithreading
+    documentation: Taken from https://hub.docker.com/r/eqalpha/keydb