added elasticsearch

README.md

@@ -17,20 +17,21 @@ Sure. That's why it's a public repository.
 Glad you asked. I'm too lazy to set up different user-password combination, so here it is.
 
 Database      | User     | Password | Port
---- | --- | --- | ---
+------------- | -------- | -------- | ---
 PostgreSQL    | postgres | password | 5432
 MySQL         | root     | password | 3306
 Redis         | -        | -        | 6379
 MongoDB       | root     | password | 27017
 CouchDB       | root     | password | 5984
 Cassandra     | -        | -        | 9042
+Elasticsearch | -        | -        | 9200
 
 ## How about some kind of admin panel?
 
 Sure, I did setup some of that, too. But, I haven't found a good one for CouchDB & Cassandra. Might update it in the future.
 
 Service         | Database          | Port
---- | --- | --- 
+--------------- | ----------------- | --- 
 Adminer         | MySQL, PostgreSQL | 2086
 Redis Commander | Redis             | 2084
 Mongo Express   | MongoDB           | 2083

docker-compose.yml

@@ -21,7 +21,7 @@ services:
     cap_add:
       - SYS_NICE
   redis:
-    image: redis:6.2.5-alpine
+    image: redis:6.2.6-alpine
     restart: always
     ports: 
       - 6379:6379
@@ -63,6 +63,16 @@ services:
       - 9160:9160
     volumes:
       - "./volume/cassandra/:/var/lib/cassandra"
+  elasticsearch:
+    image: elasticsearch:7.14.2
+    restart: always
+    ports:
+      - 9200:9200
+      - 9300:9300
+    environment:
+      - discovery.type=single-node
+    volumes:
+      - "./volume/elasticsearch/:/usr/share/elasticsearch/data"
   mongo-express:
     image: mongo-express:1.0.0-alpha.4
     restart: always