Traefik certresolver Error

[jyamada]

Trying to get my system hosted. I'm using a Hostinger VPS with Docker, and I tweaked the yaml myself, but am getting this error. The site is hosted, but says it's insecure, because of this. Am I missing something obvious?

ERR Router uses a nonexistent certificate resolver certificateResolver=esporesolver routerName=espocrm-ws@docker

services:
  traefik:
    image: traefik:latest
    restart: unless-stopped
    network_mode: host
    command:
      - --api.dashboard=false
      - --api.insecure=false
      - --log.level=INFO
      - --providers.docker=true
      - --providers.docker.exposedbydefault=false
      - --entrypoints.web.address=:80
      - --entrypoints.websecure.address=:443
      - --certificatesresolvers.letsencrypt.acme.httpchallenge=true
      - --certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=web
      - --certificatesresolvers.letsencrypt.acme.email=${ACME_EMAIL_ADDRESS}
      - --certificatesresolvers.letsencrypt.acme.storage=/letsencrypt/acme.json
      - --entrypoints.web.http.redirections.entrypoint.to=websecure
      - --entrypoints.web.http.redirections.entrypoint.scheme=https
    volumes:
      - traefik-letsencrypt:/letsencrypt
      - /var/run/docker.sock:/var/run/docker.sock:ro
  espocrm:
    image: espocrm/espocrm:latest
    container_name: espocrm
    environment:
      ESPOCRM_DATABASE_PLATFORM: Mysql
      ESPOCRM_DATABASE_HOST: espocrm-db
      ESPOCRM_DATABASE_USER: espocrm
      ESPOCRM_DATABASE_PASSWORD: ${DB_PASSWORD}
      ESPOCRM_ADMIN_USERNAME: ${ADMIN_USERNAME}
      ESPOCRM_ADMIN_PASSWORD: ${ADMIN_PASSWORD}
      ESPOCRM_SITE_URL: "https://${COMPOSE_PROJECT_NAME}.${TRAEFIK_HOST}"
    volumes:
      - espocrm-data:/var/www/html/data
      - espocrm-custom:/var/www/html/custom
      - espocrm-custom-client:/var/www/html/client/custom
    restart: unless-stopped
    depends_on:
      espocrm-db:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "bin/command", "app-check"]
      start_period: 20s
      interval: 60s
      timeout: 20s
      retries: 3
    labels:
      - traefik.enable=true
      - traefik.http.routers.espocrm-app.rule=Host(`${COMPOSE_PROJECT_NAME}.${TRAEFIK_HOST}`)
      - traefik.http.routers.espocrm-app.entrypoints=websecure
      - traefik.http.routers.espocrm-app.tls=true
      - traefik.http.routers.espocrm-app.tls.certresolver=esporesolver


  espocrm-daemon:
    image: espocrm/espocrm:latest
    container_name: espocrm-daemon
    volumes_from:
      - espocrm
    restart: unless-stopped
    entrypoint: docker-daemon.sh
    depends_on:
      espocrm:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "bin/command", "app-check"]
      start_period: 20s
      interval: 180s
      timeout: 20s
      retries: 3

  espocrm-db:
    image: mariadb:latest
    container_name: espocrm-db
    restart: unless-stopped
    environment:
      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
      MARIADB_DATABASE: espocrm
      MARIADB_USER: espocrm
      MARIADB_PASSWORD: ${DB_PASSWORD}
    volumes:
      - espocrm-db:/var/lib/mysql
    healthcheck:
      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
      interval: 25s
      start_period: 10s
      timeout: 10s
      retries: 3

  espocrm-websocket:
    image: espocrm/espocrm:latest
    container_name: espocrm-websocket
    environment:
      ESPOCRM_CONFIG_USE_WEB_SOCKET: "true"
      ESPOCRM_CONFIG_WEB_SOCKET_ZERO_M_Q_SUBSCRIBER_DSN: "tcp://*:7777"
      ESPOCRM_CONFIG_WEB_SOCKET_ZERO_M_Q_SUBMISSION_DSN: "tcp://espocrm-websocket:7777"
    volumes_from:
      - espocrm
    restart: unless-stopped
    entrypoint: docker-websocket.sh
    depends_on:
      espocrm:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "bin/command", "app-check"]
      start_period: 20s
      interval: 180s
      timeout: 20s
      retries: 3
    labels:
      - traefik.enable=true
      - traefik.http.routers.espocrm-ws.rule=Host(`${COMPOSE_PROJECT_NAME}.${TRAEFIK_HOST}`)
      - traefik.http.routers.espocrm-ws.entrypoints=websecure
      - traefik.http.routers.espocrm-ws.tls=true
      - traefik.http.routers.espocrm-ws.tls.certresolver=esporesolver
      - traefik.http.services.espocrm-ws.loadbalancer.server.port=8080

volumes:
  espocrm-db:
  espocrm-data:
  espocrm-custom:
  espocrm-custom-client:
  traefik-letsencrypt: