Adding redis-server entrypoint

Fixes #7

.github/workflows/redis-service.yml

@@ -20,6 +20,7 @@ jobs:
         image: redis
         ports:
         - 6379:6379
+        options: --entrypoint redis-server
 
     steps:
     - uses: actions/checkout@v1
@@ -41,6 +42,7 @@ jobs:
         image: redis
         ports:
         - 6379/tcp
+        options: --entrypoint redis-server
 
     steps:
     - uses: actions/checkout@v1
@@ -52,4 +54,4 @@ jobs:
       working-directory: ./redis
       env:
         REDIS_HOST: localhost
-        REDIS_PORT: ${{ job.services.redis.ports[6379] }}
+        REDIS_PORT: ${{ job.services.redis.ports[6379] }}