Mikrotik Container Update Script

container_update.rsc

:local containerToUpdate
:set $containerToUpdate "name-of-container"

:local containerVeth
:set $containerVeth "container-veth-interface"

:local containerImage
:set $containerImage "org/image:tag"

:local containerEnvlist
:set $containerEnvlist "name-of-envlist"

:local containerMounts
:set %containerMounts "name-of-mount"

# Stop Container 
/container/stop [find where comment~$containerToUpdate]

# Wait for container(s) to stop 
:while ( [/container print count-only where comment~$containerToUpdate status=stopping] > 0) do={ :delay 1 }

# Remove old Container(s)
/container/remove [find where comment~$containerToUpdate]

# short delay 
:delay 3

# create new container
/container/add interface=$containerVeth remote-image=$containerImage mounts=$containerMounts envlist=$containerEnvlist start-on-boot=yes logging=yes comment=$containerToUpdate
:delay 1

# Wait for new container to be ready
:while ( [/container print count-only where comment~$containerToUpdate status=extracting] > 0 ) do { :delay 1 }

# Start the new container
/container/start [find where comment~$containerToUpdate]