docker-compose.yml

version: '3.7'
services:
  parity:
    init: true
    container_name: parity
    image: parity/parity:stable
    user: root
    command:
      --reserved-peers=/root/bootnodes.txt
      --tracing=on
      --pruning=archive
      --fat-db=on
      --no-warp
      --chain="$CHAIN"
      --nat="extip:$EXT_IP"
      --base-path=/root/parity_data
      --jsonrpc-port=8545
      --jsonrpc-cors=all
      --jsonrpc-interface=all
      --jsonrpc-hosts=all
      --jsonrpc-apis=web3,eth,net,parity,traces
      --ws-interface=all
      --ws-apis=web3,eth,net,parity,pubsub,traces
      --ws-origins=all
      --ws-hosts=all
      --ws-max-connections=1000
      --logging=info
    volumes:
      - ./:/root
    expose:
      - "8545"
    ports:
      - "8546:8546"
      - "30303:30303"
      - "30303:30303/udp"
    restart: unless-stopped
    logging:
      driver: "json-file"
      options:
        max-size: "1m"
        max-file: "10"

  db:
    init: true
    container_name: db
    image: postgres
    command: postgres -c 'max_connections=200'
    environment:
      - POSTGRES_USER=$POSTGRES_USER
      - POSTGRES_PASSWORD=$POSTGRES_PASSWORD
      - POSTGRES_DB=$POSTGRES_DB
    volumes:
      - ./db_data:/var/lib/postgresql/data/
    expose:
      - 5432
    ports:
      - "5432:5432"
    restart: unless-stopped
    logging:
      driver: "json-file"
      options:
        max-size: "1m"
        max-file: "10"
  blockscout:
    init: true
    container_name: blockscout
    image: blockscout/blockscout-lukso:3.0.0
    environment:
      VIRTUAL_HOST: "$LETSENCRYPT_HOST"
      VIRTUAL_PORT: 4000
      LETSENCRYPT_HOST: "$LETSENCRYPT_HOST"
    env_file:
      - blockscout.env
    depends_on:
      - db
    restart: unless-stopped
    expose:
      - "4000"
    ports:
      - "4000:4000"
    logging:
      driver: "json-file"
      options:
        max-size: "1m"
        max-file: "10"
  nginx:
    init: true
    image: nginx:alpine
    container_name: nginx
    restart: always
    ports:
      - 80:80
      - 443:443
    volumes:
      - ./nginx/conf:/etc/nginx/conf.d
      - ./nginx/vhost:/etc/nginx/vhost.d
      - ./nginx/html:/usr/share/nginx/html
      - ./nginx/certs:/etc/nginx/certs:ro
    logging:
      driver: none
      options:
        max-size: "1m"
        max-file: "10"

  dockergen:
    init: true
    image: xdaichain/docker-gen
    command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
    container_name: dockergen
    depends_on:
      - nginx
    volumes:
      - ./nginx/conf:/etc/nginx/conf.d
      - ./nginx/vhost:/etc/nginx/vhost.d
      - ./nginx/certs:/etc/nginx/certs:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro
    restart: always
    logging:
      driver: "json-file"
      options:
        max-size: "1m"
        max-file: "10"

  letsencrypt:
    init: true
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: letsencrypt
    restart: always
    environment:
      NGINX_PROXY_CONTAINER:  nginx
      NGINX_DOCKER_GEN_CONTAINER: dockergen
    volumes:
      - ./nginx/vhost:/etc/nginx/vhost.d
      - ./nginx/html:/usr/share/nginx/html
      - ./nginx/certs:/etc/nginx/certs
      - /var/run/docker.sock:/var/run/docker.sock:ro
    depends_on:
      - nginx
      - dockergen
    logging:
      driver: "json-file"
      options:
        max-size: "1m"
        max-file: "10"

blockscout.env

DATABASE_URL=postgresql://user:password@db:5432/lukso?ssl=false
ETHEREUM_JSONRPC_HTTP_URL=http://parity:8545
ETHEREUM_JSONRPC_TRACE_URL=http://parity:8545
ETHEREUM_JSONRPC_WS_URL=ws://parity:8546
SECRET_KEY_BASE='secret'

.env file

POSTGRES_USER=user
POSTGRES_PASSWORD=password
POSTGRES_DB=lukso
CHAIN=/root/spec.json
EXT_IP=167.71.61.205
LETSENCRYPT_HOST=blockscout-lukso.blockscout.com

regarding DB:

1. close postgres port on firewall
2. to import dump pg_restore --host localhost --port 5432 -U lukso --verbose --format d -d lukso ./backup/