Added clickhouse database.

.gitignore

@@ -1,3 +1,4 @@
 postgres/data/
 mysql/data/
 cockroachdb/data/
+clickhouse/data/

clickhouse/docker-compose.yml

@@ -0,0 +1,13 @@
+version: '3'
+
+services:
+  clickhouse:
+    image: yandex/clickhouse-server:20.8
+    container_name: clickhouse
+    restart: always
+    ports:
+      - 8123:8123
+      - 9000:9000
+    volumes:
+      - /home/marvin/docker/clickhouse/data:/var/lib/clickhouse
+#      - /home/marvin/docker/clickhouse/config.xml:/etc/clickhouse-server/config.xml