ETCM-530 Add a setup for Besu and Geth that allows to evaluate their performance

Author: Leonor Boga

docker/besu/README.md

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+## How to run Besu
+
+In `runBesu.sh` set the Besu `VERSION` you wish to test and then just run the script in a terminal 
+
+```./runBesu.sh```
+
+When the script is running Prometheus metrics and Grafana will be available at:
+
+`http://localhost:9091` for the list of all available metrics
+
+`http://localhost:3000/login` to access Grafana (login is admin / admin)
+
+
+### Metrics
+Some metrics are already being displayed in Grafana, using part of the dashboard that can be found in `https://grafana.com/grafana/dashboards/10273` and also replicating some metrics being used by the `mantis-ops` grafana dashboard 
+
+
+### JSON RPC API
+JSON-RPC service is available at port 8545

docker/besu/docker-compose.yml

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+version: '3.1'
+
+volumes:
+    prometheus_data: {}
+    grafana_data: {}
+
+networks:
+  besu-net:
+
+services:
+
+  prometheus:
+    image: prom/prometheus:v2.23.0
+    volumes:
+      - ./prometheus/:/etc/prometheus/
+      - prometheus_data:/prometheus
+    command:
+      - '--config.file=/etc/prometheus/prometheus.yml'
+      - '--storage.tsdb.path=/prometheus'
+      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
+      - '--web.console.templates=/usr/share/prometheus/consoles'
+    ports:
+      - 9090:9090
+    links:
+      - besu:besu
+    depends_on:
+      - besu
+    networks:
+      - besu-net
+    restart: always
+
+  grafana:
+    image: grafana/grafana:7.3.6
+    depends_on:
+      - prometheus
+    ports:
+      - 3000:3000
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./grafana/provisioning/:/etc/grafana/provisioning/
+    networks:
+      - besu-net
+    restart: always
+
+  pushgateway:
+    image: prom/pushgateway:v1.4.0
+    ports:
+      - 9091:9091
+    depends_on:
+      - besu
+    networks:
+      - besu-net
+    restart: always
+
+  besu:
+    image: hyperledger/besu:$VERSION
+    ports:
+      - 8545:8545
+      - 9545:9545
+    networks:
+      - besu-net
+    volumes:
+      - $HOME/.mantis/development/besu:/var/lib/besu
+    command: --rpc-http-cors-origins="all" --rpc-http-enabled --metrics-push-enabled --metrics-push-port=9091 --metrics-push-host=pushgateway
+    restart: always