Deploying Django app - error with sqlite3

Django
1

Hi, i’ve been trying to deploy a django app with fly.io, i always chose no Postgre Database since it’s just an API, no need for storage, everytime i try to deploy the logs show the following:

    1 desired, 1 placed, 0 healthy, 0 unhealthy [restarts 1 desired, 1 placed, 0 healthy, 0 unhealthy [restarts 1 desired, 1 placed, 0 healthy, 0 unhealthy [restarts 1 desired, 1 placed, 0 healthy, 1 unhealthy [restarts: 2] [health checks: 1 total]
    Failed Instances

    Failure #1

    Recent Events
    TYPE            MESSAGE                         
    Received        Task received by client        
    Task Setup      Building Task Directory        
    Started         Task started by client         
    Terminated      Exit Code: 3                   
    Restarting      Task restarting in 1.125696876s
    Started         Task started by client         
    Terminated      Exit Code: 3                   
    Restarting      Task restarting in 1.213925672s
    Started         Task started by client         

    [info]    from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/contrib/auth/base_user.py", line 49, in <module>
    [info]    class AbstractBaseUser(models.Model):
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/models/base.py", line 141, in __new__
    [info]    new_class.add_to_class("_meta", Options(meta, app_label))
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/models/base.py", line 369, in add_to_class
    [info]    value.contribute_to_class(cls, name)
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/models/options.py", line 231, in contribute_to_class
    [info]    self.db_table, connection.ops.max_name_length()
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/utils/connection.py", line 15, in __getattr__
    [info]    return getattr(self._connections[self._alias], item)
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/utils/connection.py", line 62, in __getitem__
    [info]    conn = self.create_connection(alias)
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/utils.py", line 193, in create_connection
    [info]    backend = load_backend(db["ENGINE"])
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/utils.py", line 113, in load_backend
    [info]    return import_module("%s.base" % backend_name)
    [info]  File "/layers/paketo-buildpacks_cpython/cpython/lib/python3.10/importlib/__init__.py", line 126, in import_module
    [info]    return _bootstrap._gcd_import(name[level:], package, level)
    [info]  File "/layers/paketo-buildpacks_pip-install/packages/lib/python3.10/site-packages/django/db/backends/sqlite3/base.py", line 7, in <module>
    [info]    from sqlite3 import dbapi2 as Database
    [info]  File "/layers/paketo-buildpacks_cpython/cpython/lib/python3.10/sqlite3/__init__.py", line 57, in <module>
    [info]    from sqlite3.dbapi2 import *
    [info]  File "/layers/paketo-buildpacks_cpython/cpython/lib/python3.10/sqlite3/dbapi2.py", line 27, in <module>
    [info]    from _sqlite3 import *
    [info]ModuleNotFoundError: No module named '_sqlite3'
    [info] [538] [INFO] Worker exiting (pid: 538)
    [info] [520] [INFO] Shutting down: Master
    [info] [520] [INFO] Reason: Worker failed to boot.
    [info]Starting clean up.
    --> v3 failed - Failed due to unhealthy allocations - no stable job version to auto revert to and deploying as v4

I’ve already tried to switch the builder in fly.toml from

paketobuildpacks/builder:base
to
paketobuildpacks/builder:full

and the error persists, here’s what’s in my Procfile:

web: gunicorn drogasil_crawler.wsgi:application

Also tried to use a local builder and the error persists.
And flyctl didn’t generated any Dockerfile, i guess it’s because it’s using the remote builder?

2

do not use buildpacks just use dockerfile to deploy

pull official base image

FROM python:3.10.6

set work directory

WORKDIR /usr/src/app

set environment variables

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

create the app directory - and switch to it

RUN mkdir -p /app
WORKDIR /app

install dependencies

COPY requirements.txt /tmp/requirements.txt
RUN set -ex &&
pip install --upgrade pip &&
pip install -r /tmp/requirements.txt &&
rm -rf /root/.cache/

copy project

COPY . /app/