Greg/localnet (#1450)

* Added new Makefile targets for local testnet running using docker

* Added localnode docker image description, some documentation and refactored to use the tendermint testnet command

* Fixes for the new tendermint testnet command

* More fixes on tendermint testnet and docker-compose

* Changed logging

* Added missing targets to phony

docker-compose.yml

@@ -0,0 +1,68 @@
+version: '3'
+
+services:
+  node0:
+    container_name: node0
+    image: "tendermint/localnode"
+    ports:
+      - "46656-46657:46656-46657"
+    environment:
+      - ID=0
+      - LOG=${LOG:-tendermint.log}
+    volumes:
+      - ${FOLDER:-./build}:/tendermint
+    networks:
+      localnet:
+        ipv4_address: 10.100.0.2
+
+  node1:
+    container_name: node1
+    image: "tendermint/localnode"
+    ports:
+      - "46659-46660:46656-46657"
+    environment:
+      - ID=1
+      - LOG=${LOG:-tendermint.log}
+    volumes:
+      - ${FOLDER:-./build}:/tendermint
+    networks:
+      localnet:
+        ipv4_address: 10.100.0.3
+
+  node2:
+    container_name: node2
+    image: "tendermint/localnode"
+    environment:
+      - ID=2
+      - LOG=${LOG:-tendermint.log}
+    ports:
+      - "46661-46662:46656-46657"
+    volumes:
+      - ${FOLDER:-./build}:/tendermint
+    networks:
+      localnet:
+        ipv4_address: 10.100.0.4
+
+  node3:
+    container_name: node3
+    image: "tendermint/localnode"
+    environment:
+      - ID=3
+      - LOG=${LOG:-tendermint.log}
+    ports:
+      - "46663-46664:46656-46657"
+    volumes:
+      - ${FOLDER:-./build}:/tendermint
+    networks:
+      localnet:
+        ipv4_address: 10.100.0.5
+
+networks:
+  localnet:
+    driver: bridge
+    ipam:
+      driver: default
+      config:
+      -
+        subnet: 10.100.0.0/16
+