Monica Nginx Reverse Proxy

[Funkster120]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github (I've searched it).
• I agree to follow Monica's Code of Conduct.

Bug description

When accessing via Reverse Proxy "502 Bad Gateway" appears

Steps to reproduce

.env, docker-compose.yml and Custom Nginx Config attached

APP_ENV=production
APP_DEBUG=false

# Must be 32 characters long exactly.
# Use `php artisan key:generate` or `pwgen -s 32 1` to generate a random key.
APP_KEY=ddDR0t8E666HH29tL2Fj281sJ2uh1WRQ
HASH_SALT=ddDRs8HH29t1UF2t8Evd
HASH_LENGTH=18
APP_URL=https://monica.example.com
APP_FORCE_URL=false
DB_CONNECTION=mysql
DB_HOST=db
DB_PORT=3306
DB_DATABASE=monica
DB_USERNAME=monica
DB_PASSWORD=monica01
DB_PREFIX=
DB_USE_UTF8MB4=true

# Mail credentials used to send emails from the application.
MAIL_MAILER=smtp
MAIL_HOST=
MAIL_PORT=25
MAIL_USERNAME=
MAIL_PASSWORD=
MAIL_ENCRYPTION=tls
MAIL_FROM_ADDRESS=
MAIL_FROM_NAME="CRM"
APP_EMAIL_NEW_USERS_NOTIFICATION=
APP_DISABLE_SIGNUP=true
APP_SIGNUP_DOUBLE_OPTIN=false
APP_TRUSTED_PROXIES=*   # use a comma separated list of IP addresses.
APP_TRUSTED_CLOUDFLARE=false
LOG_CHANNEL=daily
SENTRY_SUPPORT=false
SENTRY_LARAVEL_DSN=
CHECK_VERSION=false
REDIS_HOST=redis
CACHE_DRIVER=redis     # database, file, memcached, redis, dynamodb
SESSION_DRIVER=redis   # file, cookie, database, apc, memcached, redis, array
SESSION_LIFETIME=120
QUEUE_CONNECTION=sync
DEFAULT_FILESYSTEM=public
DEFAULT_MAX_STORAGE_SIZE=512
DEFAULT_MAX_UPLOAD_SIZE=10240
MFA_ENABLED=true
DAV_ENABLED=true
ALLOW_STATISTICS_THROUGH_PUBLIC_API_ACCESS=false
POLICY_COMPLIANT=true
ENABLE_GEOLOCATION=false
LOCATION_IQ_API_KEY=
ENABLE_WEATHER=false
DARKSKY_API_KEY
```=
``
---
#version: '3'
services:
  monicahq:
    image: monica
    container_name: monica
    restart: unless-stopped
    depends_on:
      - db
    env_file:
      - ./.env
    environment:
      - TZ=Europe/Berlin
      - APP_KEY=ddDR0t8E4s8HH19t333jt81sJNuh1WRQ
      - APP_ENV=production
      - APP_URL=https://monica.example.com
      - APP_FORCE_URL=false
      - DB_HOST=db
    ports:
      - "5020:80"
    volumes:
      - ./data:/var/www/html/storage
      - ./html:/var/www/monica:ro
  db:
    image: mysql:5.7
    container_name: monica-db
    restart: unless-stopped
    environment:
      - MYSQL_RANDOM_ROOT_PASSWORD=true
      - MYSQL_DATABASE=monica
      - MYSQL_USER=monica
      - MYSQL_PASSWORD=monica01
    volumes:
      - ./mysql:/var/lib/mysql

  redis:
    image: redis:alpine
    container_name: monica-redis
    restart: unless-stopped
    volumes:
      - ./redis:/data`

`       location / {
        proxy_pass http://127.0.0.1:5020;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        }`

### Expected behavior

SSL Secured Monica Frontend

### Environment

Your own self-hosted instance (monica v4)

### Version of Monica

_No response_

### Installation method

None

### Web server

None

### Database engine version

None

### Additional info

_No response_