Adding minio for log store in compose (#580)

* Use data volumes for database

 plus better volume source path reference for prometheus

* Adding minio to compose for log store

docker-compose.yml

@@ -1,5 +1,16 @@
 version: '3'
 services:
+  logstore:
+    hostname: logstore
+    image: minio/minio
+    ports:
+      - "9091:9000"
+    environment:
+      - MINIO_ACCESS_KEY=admin
+      - MINIO_SECRET_KEY=password
+    volumes:
+      - ./data/logstore:/data
+    command: server /data
   db:
     image: "mysql"
     restart: always
@@ -8,29 +19,32 @@ services:
     environment:
       - "MYSQL_DATABASE=funcs"
       - "MYSQL_ROOT_PASSWORD=root"
+    volumes:
+      - ./data/mysql:/var/lib/mysql
   mq:
     image: "redis"
     restart: always
     ports:
       - "6379:6379"
   fnserver:
+    restart: always
     depends_on:
       - mq
       - db
+      - logstore
     build: .
     ports:
       - "8080:8080"
     links:
       - "db"
       - "mq"
+      - "logstore"
     environment:
-      - DB_URL=mysql://root:root@tcp(db:3306)/funcs
-      - MQ_URL=redis://mq:6379/
+      FN_DB_URL: "mysql://root:root@tcp(db:3306)/funcs"
+      FN_MQ_URL: "redis://mq:6379/"
+      FN_LOGSTORE_URL: "s3://admin:password@logstore:9000/us-east-1/fnlogs"
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-    deploy:
-      mode: replicated
-      replicas: 3
   grafana:
     image: grafana/grafana
     restart: always
@@ -52,7 +66,7 @@ services:
     links:
       - fnserver
     volumes:
-      - ${GOPATH}/src/github.com/fnproject/fn/examples/grafana/prometheus.yml:/etc/prometheus/prometheus.yml
+      - ./examples/grafana/prometheus.yml:/etc/prometheus/prometheus.yml
   fnserver-ui:
     depends_on:
       - fnserver