Docker + Cloudflare

Hi.
Do someone have working configuration for docker compose works with the cloudflare.

My current file looks that:

version: '3.7'

services:
  postgres:
    image: postgres:16.2
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: <cut>
      POSTGRES_USER: <cut>
      POSTGRES_PASSWORD: <cut>
    networks:
      - keycloak_network

  keycloak:
    image: quay.io/keycloak/keycloak:26.0.5
    command: start-dev
    environment:
      KC_HOSTNAME_STRICT: "false"
      KC_HOSTNAME_STRICT_HTTPS: "false"
      KC_HTTP_ENABLED: "false"
      KC_PROXY: passthrough
      
      KC_HOSTNAME_URL: https://<cut>/auth
      KC_HOSTNAME_ADMIN_URL: https://<cut>/auth
      KC_HOSTNAME_PORT: 8080
      KC_HOSTNAME_STRICT_BACKCHANNEL: false

      KC_HEALTH_ENABLED: true

      KEYCLOAK_ADMIN: admin
      KEYCLOAK_ADMIN_PASSWORD: <cut>
      KC_DB: postgres
      KC_DB_URL: jdbc:postgresql://postgres/<cut>
      KC_DB_USERNAME: <cut>
      KC_DB_PASSWORD: <cut>
    ports:
      - 8080:8080
    restart: always
    depends_on:
      - postgres
    networks:
      - keycloak_network
    volumes:
      - /home/ubuntu/kc/keycloak-themes/<cut>:/opt/keycloak/themes/<cut>
      - /home/ubuntu/kc/keycloak-themes/<cut>:/opt/keycloak/themes/<cut>
      - /home/ubuntu/kc/keycloak-themes/<cut>:/opt/keycloak/themes/<cut>
      - /home/ubuntu/kc/keycloak-themes/<cut>:/opt/keycloak/themes/<cut>

volumes:
  postgres_data:
    driver: local

networks:
  keycloak_network:
    driver: bridge

However i get error when try to reach page:
Mixed Content: The page at 'https://<cut>/admin/master/console/' was loaded over HTTPS, but requested an insecure resource 'http://<cut>/resources/master/admin/en'. This request has been blocked; the content must be served over HTTPS.

Find a guide which works for me: Deploying a Production-Ready Keycloak Server on GCP with Cloudflare | by Abdullah Alqahtani | Sep, 2024 | Medium