RB1100AHx4 Dude

[admin@T108] /container> /disk/print 
Flags: B - BLOCK-DEVICE; M - MOUNTED
Columns: SLOT, MOUNT-POINT, MODEL, SERIAL, INTERFACE, SIZE
#    SLOT   MOUNT-POINT  MODEL                 SERIAL             INTERFACE                SIZE
0 BM sata1  sata1        M.2 (S42) 3TE7 2.5in  B0012307210120143  SATA 6.0 Gbps  55 021 510 656

[admin@T108] /container/config> print 
    registry-url: https://registry-1.docker.io
        username:                             
        password:                             
       layer-dir:                             
          tmpdir: pull                        
     memory-high: unlimited                   
  memory-current: 63.5MiB                     
[admin@T108] /container/config> ..
[admin@T108] /container> mounts/print 
Columns: NAME, SRC, DST, READ-ONLY
#  NAME         SRC                 DST                READ-ONLY
0  msqt_config  /mosquitto_mounted  /mosquitto/config  no       
1  linux_nginx  /sata1/nginx        /docker/nginx      no       
[admin@T108] /container> 
[admin@T108] /container> /container/add remote-image=library/nginx:latest interface=veth1 root-dir=/sata1/nginx mount=linux_nginx logging=yes

Hap ax2

Setup firewall NAT on Mikrotik

[admin@MK53] /ip/firewall/nat> print 
Flags: X - disabled, I - invalid; D - dynamic 
 0    ;;; defconf: masquerade
      chain=srcnat action=masquerade in-interface=bridge out-interface=wifi1 
      out-interface-list=WAN log=no log-prefix="" ipsec-policy=out,none 
 
 1    ;;; NAT all out traffic from containers to the wolrd
      chain=srcnat action=masquerade src-address=172.17.0.0/24 
 
 2    ;;; Allow in comming 192.168.108.1:8000 to 172.17.0.3:8000
      chain=dstnat action=dst-nat to-addresses=172.17.0.3 to-ports=8000 protocol=tcp 
      dst-address=192.168.108.1 dst-port=8000 
[admin@MK53] /ip/firewall/nat> 

/disk add type=tmpfs tmpfs-max-size=128M slot=ram
/container/add remote-image=library/alpine:latest interface=veth1 root-dir=ram/ cmd="tail -f /dev/null" logging=yes name=alpine

After we shell in container

apk update
apk add --no-cache python3
apk add --no-cache inetutils-telnet
root@MK53:~# cat .ashrc 


alias ls='ls --color=auto'
alias grep='grep --color=auto'
 
 
# ANSI Color Codes (e.g., 31=Red, 32=Green, 34=Blue)
# Reset color is 0
export PS1_RED='\e[31m'
export PS1_GREEN='\e[32m'
export PS1_BLUE='\e[34m'
export PS1_YELLOW='\e[33m'
export PS1_RESET='\e[0m'
export PS1_MAGENTA='\e[35m'
export PS1_CYAN='\e[36m'
export PS1_GRAY='\e[37m'
 
# Example: [user@host] /path $
# \u = username, \h = hostname, \w = working dir
# \n = newline, \$ = # or $
PS1='${PS1_RED}[\u${PS1_GRAY}@${PS1_MAGENTA}\h]${PS1_YELLOW}:${PS1_GREEN}\W${PS1_RESET} \$ '  
 
#PS1='\[\e[31m\]\u@\h\[\e[0m\]:\[\e[32m\]\w\[\e[0m\]\$ '

This script is good "/system/script/alpine_start"

:do {
    :local cname "alpine"

    # Find existing container
    :local cid [/container find where name=$cname]

    :if ($cid != "") do={
        :put ("Removing existing container: " . $cname)
        /container remove $cid
        :delay 5s
    } else={
        :put ("No existing container: " . $cname)
    }

    :put "Creating alpine container..."
    /container add \
        name=$cname \
        remote-image=library/alpine:latest \
        interface=veth1 \
        root-dir=ram \
        cmd="tail -f /dev/null" \
        logging=yes

    :delay 20s

    :local newcid [/container find where name=$cname]

    :if ($newcid = "") do={
        :put "ERROR: container was not created"
        :error "container create failed"
    }

    :put "Starting alpine container..."
    /container start $newcid

    :delay 5s

    :put "Installing packages..."
    /container shell $newcid cmd="apk update"
    :delay 5s
    /container shell $newcid cmd="apk add --no-cache wget python3"

    :delay 3s

    :put "Downloading .profile..."
    /container shell $newcid cmd="wget -O /root/.profile http://192.168.108.200:8000/.profile"

    :put "Alpine container setup complete"
}

mosquitto.conf

# Listen on all IPv4 interfaces, port 1883
listener 1883 0.0.0.0
 
# Allow anonymous clients (no username/password)
allow_anonymous true
 
# Disable persistence (optional, useful for containers)
persistence false
 
# Log to stdout (recommended for containers)
log_dest stdout
log_type all
 

Then start mosquitto service

mosquitto -c /etc/mosquitto/mosquitto.conf -d