Main container fails to start

### Support guidelines

- [x] I've read the [support guidelines](https://github.com/librenms/docker/blob/master/.github/SUPPORT.md)

### I've found a bug and checked that ...

- [X] ... the documentation does not mention anything about my problem
- [X] ... there are no open or closed issues that are related to my problem

### Description

I try to install LibreNMS on Docker.
I've followed the compose example script but the main container don't start successfully:
![image](https://github.com/librenms/docker/assets/7725052/8bae8ced-8fbe-4b8a-b25e-50ea91632774)
I've tried with or without DB_NAME et DB_USER environment variables.
Loading stack via Portainer, environment variables seem to be correct (no trailing spaces, etc).

### Expected behaviour

Start container

### Actual behaviour

Start and stop with these errors:
```
The environment file is invalid!
Failed to parse dotenv file. Encountered an invalid name at [In StreamHandler.php line 159:].
```

### Steps to reproduce

Follow example given in the docs

### Docker info

```text
Client: Docker Engine - Community
 Version:    24.0.5
 Context:    default
 Debug Mode: false

Server:
 Containers: 32
  Running: 22
  Paused: 0
  Stopped: 10
 Images: 21
 Server Version: 24.0.5
 Storage Driver: overlay2
  Backing Filesystem: extfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: systemd
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
 Swarm: active
  NodeID: *****
  Is Manager: true
  ClusterID: *****
  Managers: 1
  Nodes: 3
  Default Address Pool: 10.0.0.0/8  
  SubnetSize: 24
  Data Path Port: 4789
  Orchestration:
   Task History Retention Limit: 5
  Raft:
   Snapshot Interval: 10000
   Number of Old Snapshots to Retain: 0
   Heartbeat Tick: 1
   Election Tick: 10
  Dispatcher:
   Heartbeat Period: 5 seconds
  CA Configuration:
   Expiry Duration: 3 months
   Force Rotate: 0
  Autolock Managers: false
  Root Rotation In Progress: false
  Node Address: *.*.*.*
  Manager Addresses:
   *.*.*.*:2377
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 3dce8eb055cbb6872793272b4f20ed16117344f8
 runc version: 
 init version: de40ad0
 Security Options:
  apparmor
  seccomp
   Profile: builtin
  cgroupns
 Kernel Version: 6.1.70-1.ph5-esx
 Operating System: VMware Photon OS/Linux
 OSType: linux
 Architecture: x86_64
 CPUs: 8
 Total Memory: 31.37GiB
 Name: *****
 ID: *****
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  127.0.0.0/8
 Live Restore Enabled: false
 Product License: Community Engine
```


### Docker Compose config

```yaml
version: "3.9"

# LIBRENMS DOCKER-COMPOSE

########################### NETWORKS
# There is no need to create any networks outside this docker-compose file.
# Docker Compose version 3.5 or higher required to define networks this way.

networks:
  t2_proxy:
    external: true

########################### SECRETS

secrets:
  smtp_user:
    file: $DOCKERDIR/secrets/smtp_user
  smtp_password:
    file: $DOCKERDIR/secrets/smtp_password
  librenms_db_database:
    file: $DOCKERDIR/secrets/librenms_db_database
  librenms_db_user:
    file: $DOCKERDIR/secrets/librenms_db_user
  librenms_db_password:
    file: $DOCKERDIR/secrets/librenms_db_password

########################### SERVICES

services:
  msmtpd:
    image: crazymax/msmtpd:latest
    environment:
      - SMTP_HOST=$SMTP_HOST
      - SMTP_PORT=$SMTP_PORT
      - SMTP_TLS=$SMTP_TLS
      - SMTP_STARTTLS=$SMTP_STARTTLS
      - SMTP_TLS_CHECKCERT=$SMTP_TLS_CHECKCERT
      - SMTP_AUTH=$SMTP_AUTH
      - SMTP_USER=/run/secrets/smtp_user
      - SMTP_PASSWORD=/run/secrets/smtp_password
      - SMTP_FROM=/run/secrets/smtp_user
    secrets:
      - smtp_user
      - smtp_password
    deploy:
      labels:
        ## Diun
        - 'diun.enable=true'
        - 'diun.watch_repo=false'
      placement: 
        constraints: [node.hostname == *****]
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: any
        delay: 5s
        max_attempts: 3
        window: 120s

  librenms:
    image: librenms/librenms:latest
    cap_add:
      - NET_ADMIN
      - NET_RAW
    networks:
      - t2_proxy
    volumes:
      - $DOCKERDIR/volumes/librenms:/data
    environment:
      - TZ=${TZ}
      - PUID=${UID}
      - PGID=${GID}
      - DB_HOST=$DB_HOST
      #- FILE__DB_NAME=/run/secrets/librenms_db_database
      #- FILE__DB_USER=/run/secrets/librenms_db_user
      - DB_PASSWORD_FILE=/run/secrets/librenms_db_password
      - DB_TIMEOUT=60
    secrets:
      - librenms_db_database
      - librenms_db_user
      - librenms_db_password
    deploy:
      labels:
        ## Traefik
        - 'traefik.enable=true'
        ## HTTP Routers
        - 'traefik.http.routers.librenms.entrypoints=https'
        - 'traefik.http.routers.librenms.rule=Host(`librenms.$DOMAINNAME`)'
        ## HTTP Services
        - 'traefik.http.routers.librenms.service=librenms'
        - 'traefik.http.services.librenms.loadbalancer.server.port=8000'
        ## Diun
        - 'diun.enable=true'
        - 'diun.watch_repo=false'
      placement: 
        constraints: [node.hostname == *****]
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: any
        delay: 5s
        max_attempts: 3
        window: 120s

  dispatcher:
    image: librenms/librenms:latest
    cap_add:
      - NET_ADMIN
      - NET_RAW
    volumes:
      - $DOCKERDIR/volumes/librenms:/data
    environment:
      - TZ=${TZ}
      - PUID=${UID}
      - PGID=${GID}
      - DB_HOST=$DB_HOST
      #- FILE__DB_NAME=/run/secrets/librenms_db_database
      #- FILE__DB_USER=/run/secrets/librenms_db_user
      - DB_PASSWORD_FILE=/run/secrets/librenms_db_password
      - DB_TIMEOUT=60
      - DISPATCHER_NODE_ID=dispatcher1
      - SIDECAR_DISPATCHER=1
    secrets:
      - librenms_db_database
      - librenms_db_user
      - librenms_db_password
    deploy:
      labels:
        ## Diun
        - 'diun.enable=true'
        - 'diun.watch_repo=false'
      placement: 
        constraints: [node.hostname == *****]
      update_config:
        parallelism: 2
        delay: 10s
      restart_policy:
        condition: any
        delay: 5s
        max_attempts: 3
        window: 120s

[...]
```


### Logs

```text
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [s6-init] making user provided files available at /var/run/s6/etc...exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [s6-init] ensuring user provided files have correct perms...exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [fix-attrs.d] applying ownership & permissions fixes...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [fix-attrs.d] done.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] executing container initialization scripts...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 00-fix-logs.sh: executing... 
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 00-fix-logs.sh: exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 01-fix-uidgid.sh: executing... 
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Switching to PGID 100...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Switching to PUID 900...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 01-fix-uidgid.sh: exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 02-fix-perms.sh: executing... 
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Fixing perms...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 02-fix-perms.sh: exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 03-config.sh: executing... 
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting timezone to Europe/Paris...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting PHP-FPM configuration...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting PHP INI configuration...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting OpCache configuration...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting Nginx configuration...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Updating SNMP community...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Initializing LibreNMS files / folders...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Setting LibreNMS configuration...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Checking LibreNMS plugins...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Fixing perms...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Checking additional Monitoring plugins...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Checking alert templates...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 03-config.sh: exited 0.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 04-svc-main.sh: executing... 
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Waiting 60s for database to be ready...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Database ready!
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Enabling First Run Wizard...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Updating database schema...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | The environment file is invalid!
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | Failed to parse dotenv file. Encountered an invalid name at [In StreamHandler.php line 159:].
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-init.d] 04-svc-main.sh: exited 1.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-finish.d] executing container finish scripts...
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [cont-finish.d] done.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [s6-finish] waiting for services.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [s6-finish] sending all processes the TERM signal.
librenms_librenms.1.u7tp0edcwgpk@photon1-fm    | [s6-finish] sending all processes the KILL signal and exiting
```
```


### Additional info

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Main container fails to start #422

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Uh oh!

Main container fails to start #422

Description

Support guidelines

I've found a bug and checked that ...

Description

Expected behaviour

Actual behaviour

Steps to reproduce

Docker info

Docker Compose config

Logs

Metadata

Metadata

Assignees

Labels

Type

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