Rename dev_env to rinkeby_env, added make commands description to readme

dockerfiles/rinkeby/docker-compose.yml

@@ -5,30 +5,36 @@ services:
   vulcanizedb:
     build:
       context: ./../../
-      dockerfile: dockerfiles/dev/Dockerfile
-    container_name: dev_vulcanizedb
+      dockerfile: dockerfiles/rinkeby/Dockerfile
+    container_name: rinkeby_vulcanizedb
     command: "sync --starting-block-number 0 --config /config.toml"
     volumes:
       - "./config.toml:/config.toml"
       - "vulcanizedb_geth_data:/geth"
+    networks:
+      vulcanizedb_net:
 
   migrations:
     image: migrate/migrate:v3.3.0
-    container_name: dev_vulcanizedb_migrations
+    container_name: rinkeby_vulcanizedb_migrations
     depends_on:
       postgres:
         condition: service_healthy
     command: -database postgresql://postgres:postgres@postgres:5432/vulcanizedb?sslmode=disable -path /migrations up
     volumes:
       - ./../../db/migrations:/migrations
+    networks:
+      vulcanizedb_net:
 
   postgres:
     image: postgres:9.6.5-alpine
-    container_name: dev_vulcanizedb_postgres
+    container_name: rinkeby_vulcanizedb_postgres
     environment:
       POSTGRES_USER: postgres
       POSTGRES_DB: vulcanizedb
       POSTGRES_PASSWORD: postgres
+    networks:
+      vulcanizedb_net:
     healthcheck:
       test: ["CMD", "pg_isready"]
       interval: 5s
@@ -37,12 +43,18 @@ services:
   
   geth:
     image: ethereum/client-go:v1.8.11
-    container_name: dev_vulcanizedb_geth
+    container_name: rinkeby_vulcanizedb_geth
     cpus: 0.3
     hostname: eth
     command: '--rinkeby --rpc --rpcaddr="0.0.0.0" --rpcvhosts="geth"'
     volumes:
       - "vulcanizedb_geth_data:/root/.ethereum/rinkeby"
+    networks:
+      vulcanizedb_net:
 
 volumes:
   vulcanizedb_geth_data:
+
+networks:
+  vulcanizedb_net:
+    driver: bridge