I relaunch the application and face with this log:
2022-03-26T16:08:41Z runner[fefcb976] fra [info]Starting instance
2022-03-26T16:08:41Z runner[fefcb976] fra [info]Configuring virtual machine
2022-03-26T16:08:41Z runner[fefcb976] fra [info]Pulling container image
2022-03-26T16:08:44Z runner[fefcb976] fra [info]Unpacking image
2022-03-26T16:08:45Z runner[fefcb976] fra [info]Preparing kernel init
2022-03-26T16:08:46Z runner[fefcb976] fra [info]Configuring firecracker
2022-03-26T16:08:46Z runner[fefcb976] fra [info]Starting virtual machine
2022-03-26T16:08:46Z app[fefcb976] fra [info]Starting init (commit: 6f9865f)...
2022-03-26T16:08:46Z app[fefcb976] fra [info]Preparing to run: `/app/bin/server` as nobody
2022-03-26T16:08:46Z app[fefcb976] fra [info]2022/03/26 16:08:46 listening on [fdaa:0:55da:a7b:66:fefc:b976:2]:22 (DNS: [fdaa::3]:53)
2022-03-26T16:08:47Z app[fefcb976] fra [info]Reaped child process with pid: 552, exit code: 0
2022-03-26T16:08:49Z app[fefcb976] fra [info]ERROR! Config provider Config.Reader failed with:
2022-03-26T16:08:49Z app[fefcb976] fra [info]** (RuntimeError) environment variable SECRET_KEY_BASE is missing.
2022-03-26T16:08:49Z app[fefcb976] fra [info]You can generate one by calling: mix phx.gen.secret
2022-03-26T16:08:49Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:685: :erl_eval.do_apply/6
2022-03-26T16:08:49Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:446: :erl_eval.expr/5
2022-03-26T16:08:49Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:123: :erl_eval.exprs/5
2022-03-26T16:08:49Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:280: :elixir.recur_eval/3
2022-03-26T16:08:49Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:265: :elixir.eval_forms/3
2022-03-26T16:08:49Z app[fefcb976] fra [info] (elixir 1.12.0) lib/code.ex:656: Code.eval_string_with_error_handling/3
2022-03-26T16:08:49Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config.ex:258: Config.__eval__!/3
2022-03-26T16:08:49Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config/reader.ex:86: Config.Reader.read!/2
2022-03-26T16:08:49Z app[fefcb976] fra [info]{"init terminating in do_boot",{#{'__exception__'=>true,'__struct__'=>'Elixir.RuntimeError',message=><<101,110,118,105,114,111,110,109,101,110,116,32,118,97,114,105,97,98,108,101,32,83,69,67,82,69,84,95,75,69,89,95,66,65,83,69,32,105,115,32,109,105,115,115,105,110,103,46,10,89,111,117,32,99,97,110,32,103,101,110,101,114,97,116,101,32,111,110,101,32,98,121,32,99,97,108,108,105,110,103,58,32,109,105,120,32,112,104,120,46,103,101,110,46,115,101,99,114,101,116,10>>},[{erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,685}]},{erl_eval,expr,5,[{file,"erl_eval.erl"},{line,446}]},{erl_eval,exprs,5,[{file,"erl_eval.erl"},{line,123}]},{elixir,recur_eval,3,[{file,"src/elixir.erl"},{line,280}]},{elixir,eval_forms,3,[{file,"src/elixir.erl"},{line,265}]},{'Elixir.Code',eval_string_with_error_handling,3,[{file,"lib/code.ex"},{line,656}]},{'Elixir.Config','__eval__!',3,[{file,"lib/config.ex"},{line,258}]},{'Elixir.Config.Reader','read!',2,[{file,"lib/config/reader.ex"},{line,86}]}]}}
2022-03-26T16:08:49Z app[fefcb976] fra [info]init terminating in do_boot ({,[{erl_eval,do_apply,6,[{_},{_}]},{erl_eval,expr,5,[{_},{_}]},{erl_eval,exprs,5,[{_},{_}]},{elixir,recur_eval,3,[{_},{_}]},{elixir,eval_forms,3,[{_},{_}]},{Elixir.Code,ev
2022-03-26T16:08:49Z app[fefcb976] fra [info]Crash dump is being written to: erl_crash.dump...done
2022-03-26T16:08:49Z app[fefcb976] fra [info]Main child exited normally with code: 1
2022-03-26T16:08:49Z app[fefcb976] fra [info]Reaped child process with pid: 573 and signal: SIGUSR1, core dumped? false
2022-03-26T16:08:49Z app[fefcb976] fra [info]Starting clean up.
2022-03-26T16:08:56Z runner[fefcb976] fra [info]Starting instance
2022-03-26T16:08:56Z runner[fefcb976] fra [info]Configuring virtual machine
2022-03-26T16:08:56Z runner[fefcb976] fra [info]Pulling container image
2022-03-26T16:08:56Z runner[fefcb976] fra [info]Unpacking image
2022-03-26T16:08:56Z runner[fefcb976] fra [info]Preparing kernel init
2022-03-26T16:08:57Z runner[fefcb976] fra [info]Configuring firecracker
2022-03-26T16:08:57Z runner[fefcb976] fra [info]Starting virtual machine
2022-03-26T16:08:57Z app[fefcb976] fra [info]Starting init (commit: 6f9865f)...
2022-03-26T16:08:57Z app[fefcb976] fra [info]Preparing to run: `/app/bin/server` as nobody
2022-03-26T16:08:57Z app[fefcb976] fra [info]2022/03/26 16:08:57 listening on [fdaa:0:55da:a7b:66:fefc:b976:2]:22 (DNS: [fdaa::3]:53)
2022-03-26T16:08:58Z app[fefcb976] fra [info]Reaped child process with pid: 551, exit code: 0
2022-03-26T16:08:59Z app[fefcb976] fra [info]ERROR! Config provider Config.Reader failed with:
2022-03-26T16:08:59Z app[fefcb976] fra [info]** (RuntimeError) environment variable SECRET_KEY_BASE is missing.
2022-03-26T16:08:59Z app[fefcb976] fra [info]You can generate one by calling: mix phx.gen.secret
2022-03-26T16:08:59Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:685: :erl_eval.do_apply/6
2022-03-26T16:08:59Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:446: :erl_eval.expr/5
2022-03-26T16:08:59Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:123: :erl_eval.exprs/5
2022-03-26T16:08:59Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:280: :elixir.recur_eval/3
2022-03-26T16:08:59Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:265: :elixir.eval_forms/3
2022-03-26T16:08:59Z app[fefcb976] fra [info] (elixir 1.12.0) lib/code.ex:656: Code.eval_string_with_error_handling/3
2022-03-26T16:08:59Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config.ex:258: Config.__eval__!/3
2022-03-26T16:08:59Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config/reader.ex:86: Config.Reader.read!/2
2022-03-26T16:08:59Z app[fefcb976] fra [info]init terminating in do_boot ({,[{erl_eval,do_apply,6,[{_},{_}]},{erl_eval,expr,5,[{_},{_}]},{erl_eval,exprs,5,[{_},{_}]},{elixir,recur_eval,3,[{_},{_}]},{elixir,eval_forms,3,[{_},{_}]},{Elixir.Code,ev
,75,69,89,95,66,65,83,69,32,105,115,32,109,105,115,115,105,110,103,46,10,89,111,117,32,99,97,110,32,103,101,110,101,114,97,116,101,32,111,110,101,32,98,121,32,99,97,108,108,105,110,103,58,32,109,105,120,32,112,104,120,46,103,101,110,46,115,101,99,114,101,116,10>>},[{erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,685}]},{erl_eval,expr,5,[{file,"erl_eval.erl"},{line,446}]},{erl_eval,exprs,5,[{file,"erl_eval.erl"},{line,123}]},{elixir,recur_eval,3,[{file,"src/elixir.erl"},{line,280}]},{elixir,eval_forms,3,[{file,"src/elixir.erl"},{line,265}]},{'Elixir.Code',eval_string_with_error_handling,3,[{file,"lib/code.ex"},{line,656}]},{'Elixir.Config','__eval__!',3,[{file,"lib/config.ex"},{line,258}]},{'Elixir.Config.Reader','read!',2,[{file,"lib/config/reader.ex"},{line,86}]}]}}
2022-03-26T16:08:59Z app[fefcb976] fra [info]init terminating in do_boot ({,[{erl_eval,do_apply,6,[{_},{_}]},{erl_eval,expr,5,[{_},{_}]},{erl_eval,exprs,5,[{_},{_}]},{elixir,recur_eval,3,[{_},{_}]},{elixir,eval_forms,3,[{_},{_}]},{Elixir.Code,ev
2022-03-26T16:08:59Z app[fefcb976] fra [info]Crash dump is being written to: erl_crash.dump...done
2022-03-26T16:09:00Z app[fefcb976] fra [info]Main child exited normally with code: 1
2022-03-26T16:09:00Z app[fefcb976] fra [info]Reaped child process with pid: 572 and signal: SIGUSR1, core dumped? false
2022-03-26T16:09:00Z app[fefcb976] fra [info]Starting clean up.
2022-03-26T16:09:06Z runner[fefcb976] fra [info]Starting instance
2022-03-26T16:09:06Z runner[fefcb976] fra [info]Configuring virtual machine
2022-03-26T16:09:06Z runner[fefcb976] fra [info]Pulling container image
2022-03-26T16:09:07Z runner[fefcb976] fra [info]Unpacking image
2022-03-26T16:09:07Z runner[fefcb976] fra [info]Preparing kernel init
2022-03-26T16:09:08Z runner[fefcb976] fra [info]Configuring firecracker
2022-03-26T16:09:08Z runner[fefcb976] fra [info]Starting virtual machine
2022-03-26T16:09:08Z app[fefcb976] fra [info]Starting init (commit: 6f9865f)...
2022-03-26T16:09:08Z app[fefcb976] fra [info]Preparing to run: `/app/bin/server` as nobody
2022-03-26T16:09:08Z app[fefcb976] fra [info]2022/03/26 16:09:08 listening on [fdaa:0:55da:a7b:66:fefc:b976:2]:22 (DNS: [fdaa::3]:53)
2022-03-26T16:09:09Z app[fefcb976] fra [info]Reaped child process with pid: 551, exit code: 0
2022-03-26T16:09:11Z app[fefcb976] fra [info]ERROR! Config provider Config.Reader failed with:
2022-03-26T16:09:11Z app[fefcb976] fra [info]** (RuntimeError) environment variable SECRET_KEY_BASE is missing.
2022-03-26T16:09:11Z app[fefcb976] fra [info]You can generate one by calling: mix phx.gen.secret
2022-03-26T16:09:11Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:685: :erl_eval.do_apply/6
2022-03-26T16:09:11Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:446: :erl_eval.expr/5
2022-03-26T16:09:11Z app[fefcb976] fra [info] (stdlib 3.16) erl_eval.erl:123: :erl_eval.exprs/5
2022-03-26T16:09:11Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:280: :elixir.recur_eval/3
2022-03-26T16:09:11Z app[fefcb976] fra [info] (elixir 1.12.0) src/elixir.erl:265: :elixir.eval_forms/3
2022-03-26T16:09:11Z app[fefcb976] fra [info] (elixir 1.12.0) lib/code.ex:656: Code.eval_string_with_error_handling/3
2022-03-26T16:09:11Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config.ex:258: Config.__eval__!/3
2022-03-26T16:09:11Z app[fefcb976] fra [info] (elixir 1.12.0) lib/config/reader.ex:86: Config.Reader.read!/2
2022-03-26T16:09:11Z app[fefcb976] fra [info]0,89,111,117,32,99,97,110,32,103,101,110,101,114,97,116,101,32,111,110,101,32,98,121,32,99,97,108,108,105,110,103,58,32,109,105,120,32,112,104,120,46,103,101,110,46,115,101,99,114,101,116,10>>},[{erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,685}]},{erl_eval,expr,5,[{file,"erl_eval.erl"},{line,446}]},{erl_eval,exprs,5,[{file,"erl_eval.erl"},{line,123}]},{elixir,recur_eval,3,[{file,"src/elixir.erl"},{line,280}]},{elixir,eval_forms,3,[{file,"src/elixir.erl"},{line,265
2022-03-26T16:09:11Z app[fefcb976] fra [info]0,89,111,117,32,99,97,110,32,103,101,110,101,114,97,116,101,32,111,110,101,32,98,121,32,99,97,108,108,105,110,103,58,32,109,105,120,32,112,104,120,46,103,101,110,46,115,101,99,114,101,116,10>>},[{erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,685}]},{erl_eval,expr,5,[{file,"erl_eval.erl"},{line,446}]},{erl_eval,exprs,5,[{file,"erl_eval.erl"},{line,123}]},{elixir,recur_eval,3,[{file,"src/elixir.erl"},{line,280}]},{elixir,eval_forms,3,[{file,"src/elixir.erl"},{line,265
]},{'Elixir.Code',eval_string_with_error_handling,3,[{file,"lib/code.ex"},{line,656}]},{'Elixir.Config','__eval__!',3,[{file,"lib/config.ex"},{line,258}]},{'Elixir.Config.Reader','read!',2,[{file,"lib/config/reader.ex"},{line,86}]}]}}
2022-03-26T16:09:11Z app[fefcb976] fra [info]Crash dump is being written to: erl_crash.dump...done
2022-03-26T16:09:11Z app[fefcb976] fra [info]Main child exited normally with code: 1
2022-03-26T16:09:11Z app[fefcb976] fra [info]Reaped child process with pid: 572 and signal: SIGUSR1, core dumped? false
2022-03-26T16:09:11Z app[fefcb976] fra [info]Starting clean up.