Change grafana.ini in docker install

Here is an example of how to include environmental variables to change the Grafana configuration using docker-compose. With this solved this issue #https://github.com/grafana/grafana/issues/36929

version: '3.7'
services:
  grafana:
    image: grafana/grafana
    container_name: grafana_container
    restart: always
    ports:
      - 3000:3000
    networks:
      - monitoring_network
    volumes:
      - grafana-volume:/var/lib/grafana
    environment:
      - GF_LIVE_MAX_CONNECTIONS=0
  influxdb:
    image: influxdb:1.8.6
    container_name: influxdb_container
    restart: always
    ports:
      - 8086:8086
    networks:
      - monitoring_network
    volumes:
      - influxdb-volume:/var/lib/influxdb
networks:
  monitoring_network:
volumes:
  grafana-volume:
    external: true
  influxdb-volume:
    external: true