Hosted Discourse in 5$ Droplet Not working properly

FAILED
--------------------
Pups::ExecError: cd /var/www/discourse && su discourse -c 'bundle exec rake assets:precompile' failed with return #<Process::Status: pid 602 exit 137>
Location of failure: /pups/lib/pups/exec_command.rb:112:in `spawn'
exec failed with the params {"cd"=>"$home", "hook"=>"bundle_exec", "cmd"=>["su discourse -c 'bundle install --deployment --verbose --without test --without development --retry 3 --jobs 4'", "su discourse -c 'bundle exec rake db:migrate'", "su discourse -c 'bundle exec rake assets:precompile'"]}
1cbe4230e6ed1caf1584780b74176fce44b1e42a1ead658fdb66f2058cb26c87
** FAILED TO BOOTSTRAP ** please scroll up and look for earlier error messages, there may be more than one
==================== END REBUILD LOG ====================
app still not running!

Checking your domain name . . .

Connection to forum.bustudymate.in succeeded.
You should probably remove any non-standard plugins and rebuild.


==================== PLUGINS ====================
          - git clone https://github. com/discourse/docker_manager.git

No non-official plugins detected.

See https:// github. com/discourse/discourse/blob/master/lib/plugin/metadata.rb for the official list.

========================================
Discourse version at forum. bustudymate.in: NOT FOUND
Discourse version at localhost: NOT FOUND


==================== MEMORY INFORMATION ====================
RAM (MB): 1009

              total        used        free      shared  buff/cache   available
Mem:            985         158         616           0         210         687
Swap:             0           0           0

==================== DISK SPACE CHECK ====================
---------- OS Disk Space ----------
Filesystem      Size  Used Avail Use% Mounted on
/dev/vda1        25G  4.5G   20G  19% /

==================== DISK INFORMATION ====================
Disk /dev/vda: 25 GiB, 26843545600 bytes, 52428800 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C1F9A1FE-534C-4DAC-9299-5CC180C29DCE

Device      Start      End  Sectors  Size Type
/dev/vda1  227328 52428766 52201439 24.9G Linux filesystem
/dev/vda14   2048    10239     8192    4M BIOS boot
/dev/vda15  10240   227327   217088  106M Microsoft basic data

Partition table entries are not in disk order.

==================== END DISK INFORMATION ====================

==================== MAIL TEST ====================
For a robust test, get an address from http:// www. mail-tester. com/
Or just send a test message to yourself.
Email address for mail test? ('n' to skip) [me@example.com]: test-90bnp @mail-tester.com
Sending mail to test-90bnp @mail-tester.com. . . 
Error response from daemon: Container ef942d318fb4808ed54a9837310145b9f172df666be55d294fab8b7d69161646 is not running

Replacing: SMTP_PASSWORD
Replacing: LETSENCRYPT_ACCOUNT_EMAIL
Replacing: DEVELOPER_EMAILS
Replacing: DISCOURSE_DB_PASSWORD
Replacing: Sending mail to

==================== DONE! ====================

You can examine the output of this script with 
LESS=-Ri less /tmp/discourse-debug.txt

BUT FIRST, make sure that you know the first three commands below!!!

Commands to know when viewing the file with the above command (called 'less'): 
q              -- quit
/error<ENTER>  -- search for the word 'error'
n              -- search for the next occurrence
g              -- go to the beginning of the file
f              -- go forward a page
b              -- go back a page
G              -- go to the end of the file