For the issue https://github.com/drud/ddev/issues/3781

.ddev-docker-compose-base.yaml

$ cat .ddev/.ddev-docker-compose-base.yaml
version: '3.6'
  #ddev-generated
services:
  
  db:
    container_name: ddev-${DDEV_SITENAME}-db
    build:
      context: './.dbimageBuild'
      args:
        BASE_IMAGE: $DDEV_DBIMAGE
        username: 'alexey_korepov'
        uid: '1000'
        gid:  1000 
    image: ${DDEV_DBIMAGE}-${DDEV_SITENAME}-built
    stop_grace_period: 60s
    working_dir: "/home/alexey_korepov"
    volumes:
      - type: "volume"
        source: "database"
        target: "/var/lib/mysql"
        volume:
          nocopy: true
       
      - .:/mnt/ddev_config
      - ./db_snapshots:/mnt/snapshots
       
      - ddev-global-cache:/mnt/ddev-global-cache
    restart: "no"

    # The postgres image is set up for user 999, we won't try to change that.
    user:  '$DDEV_UID:$DDEV_GID' 
    hostname: test1-db
    ports:
      - "127.0.0.1:$DDEV_HOST_DB_PORT:3306"
    labels:
      com.ddev.site-name: ${DDEV_SITENAME}
      com.ddev.platform: ddev
      com.ddev.app-type: drupal9
      com.ddev.approot: $DDEV_APPROOT
    environment:
      - COLUMNS
      - DDEV_HOSTNAME
      - DDEV_PHP_VERSION
      - DDEV_PRIMARY_URL
      - DDEV_PROJECT
      - DDEV_PROJECT_TYPE
      - DDEV_ROUTER_HTTP_PORT
      - DDEV_ROUTER_HTTPS_PORT
      - DDEV_SITENAME
      - DDEV_TLD
      - DOCKER_IP=127.0.0.1
      - HOST_DOCKER_INTERNAL_IP=172.17.0.1
      - IS_DDEV_PROJECT=true
      - LINES
      - MYSQL_HISTFILE=/mnt/ddev-global-cache/mysqlhistory/${DDEV_SITENAME}-db/mysql_history
      - MYSQL_PWD=db
      - PGDATABASE=db
      - PGHOST=localhost
      - PGPASSWORD=db
      - PGUSER=db
      - POSTGRES_PASSWORD=db
      - POSTGRES_USER=db
      - POSTGRES_DB=db
      - TZ=
    command: ${DDEV_DB_CONTAINER_COMMAND}
    healthcheck:
      
      interval: 1s
      retries: 120
      start_period: 120s
      timeout: 120s
   

  web:
    container_name: ddev-${DDEV_SITENAME}-web
    build:
      context: './.webimageBuild'
      args:
        BASE_IMAGE: $DDEV_WEBIMAGE
        username: 'alexey_korepov'
        uid: '1000'
        gid: '1000'
    image: ${DDEV_WEBIMAGE}-${DDEV_SITENAME}-built
    networks: ["default", "ddev_default"]
    cap_add:
      - SYS_PTRACE
    working_dir: "/var/www/html/"
    volumes:
      
      - type: bind
        source: ../
        target: /var/www/html
         
        consistency: cached
         
       
      
      
      - ".:/mnt/ddev_config:ro"
      - "./xhprof:/usr/local/bin/xhprof:ro"
         
       
      - "ddev-global-cache:/mnt/ddev-global-cache"
      
      - "ddev-ssh-agent_socket_dir:/home/.ssh-agent"
      

    restart: "no"
    user: '$DDEV_UID:$DDEV_GID'
    hostname: test1-web

    ports:
      - "127.0.0.1:$DDEV_HOST_WEBSERVER_PORT:80"
      - "127.0.0.1:$DDEV_HOST_HTTPS_PORT:443"
    
    environment:
    - COLUMNS
    - DOCROOT=${DDEV_DOCROOT}
    - DDEV_DOCROOT
    - DDEV_HOSTNAME
    - DDEV_PHP_VERSION
    - DDEV_PRIMARY_URL
    - DDEV_PROJECT
    - DDEV_PROJECT_TYPE
    - DDEV_ROUTER_HTTP_PORT
    - DDEV_ROUTER_HTTPS_PORT
    - DDEV_SITENAME
    - DDEV_TLD
    - DDEV_FILES_DIR
    - DDEV_WEBSERVER_TYPE
    - DDEV_XDEBUG_ENABLED
    - DEPLOY_NAME=local
    
    - DRUSH_OPTIONS_URI=$DDEV_PRIMARY_URL
    
    - DRUSH_ALLOW_XDEBUG=1
    - DOCKER_IP=127.0.0.1
    - HOST_DOCKER_INTERNAL_IP=172.17.0.1
    # HTTP_EXPOSE allows for ports accepting HTTP traffic to be accessible from <site>.ddev.site:<port>
    # To expose a container port to a different host port, define the port as hostPort:containerPort
    - HTTP_EXPOSE=${DDEV_ROUTER_HTTP_PORT}:80,${DDEV_MAILHOG_PORT}:8025
    # You can optionally expose an HTTPS port option for any ports defined in HTTP_EXPOSE.
    # To expose an HTTPS port, define the port as securePort:containerPort.
    - HTTPS_EXPOSE=${DDEV_ROUTER_HTTPS_PORT}:80,${DDEV_MAILHOG_HTTPS_PORT}:8025
    - IS_DDEV_PROJECT=true
    - LINES
    - MYSQL_HISTFILE=/mnt/ddev-global-cache/mysqlhistory/${DDEV_SITENAME}-web/mysql_history
    - MYSQL_PWD=db
    - PGDATABASE=db
    - PGHOST=db
    - PGPASSWORD=db
    - PGUSER=db
    - PHP_IDE_CONFIG=serverName=${DDEV_SITENAME}.${DDEV_TLD}
    - SSH_AUTH_SOCK=/home/.ssh-agent/socket
    - TZ=
    - VIRTUAL_HOST=${DDEV_HOSTNAME}
    
    labels:
      com.ddev.site-name: ${DDEV_SITENAME}
      com.ddev.platform: ddev
      com.ddev.app-type: drupal9
      com.ddev.approot: $DDEV_APPROOT
      
    extra_hosts: [ "host.docker.internal:172.17.0.1" ]
      
      
    external_links:
      - "ddev-router:test1.ddev.site"
      
      
    healthcheck:
      interval: 1s
      retries: 120
      start_period: 120s
      timeout: 120s

  
  dba:
    container_name: ddev-${DDEV_SITENAME}-dba
    image: $DDEV_DBAIMAGE
    working_dir: "/root"
    restart: "no"
    labels:
      com.ddev.site-name: ${DDEV_SITENAME}
      com.ddev.platform: ddev
      com.ddev.app-type: drupal9
      com.ddev.approot: $DDEV_APPROOT
    expose:
      - "80"
     
    hostname: test1-dba
    environment:
    - PMA_USER=root
    - PMA_PASSWORD=root
    - VIRTUAL_HOST=$DDEV_HOSTNAME
    - UPLOAD_LIMIT=1024M
    - TZ=
    # HTTP_EXPOSE allows for ports accepting HTTP traffic to be accessible from <site>.ddev.site:<port>
    - HTTP_EXPOSE=${DDEV_PHPMYADMIN_PORT}:8036
    - HTTPS_EXPOSE=${DDEV_PHPMYADMIN_HTTPS_PORT}:8036
    healthcheck:
      interval: 120s
      timeout: 2s
      retries: 1
    
networks:
  ddev_default:
    name: ddev_default
    external: true
volumes:
  
  database:
    name: "test1-mariadb"
    external: true
   
  
   

  
  ddev-ssh-agent_socket_dir:
    external: true
  
  ddev-global-cache:
    name: ddev-global-cache
    external: true