chore: add alembic + update requirements.txt

alembic.ini

@@ -0,0 +1,71 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = app/migrations
+
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# timezone to use when rendering the date
+# within the migration file as well as the filename.
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; this defaults
+# to app/models/orm/alembic/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path
+# version_locations = %(here)s/bar %(here)s/bat app/models/orm/alembic/versions
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

app/migrations/env.py

@@ -0,0 +1,72 @@
+import sys
+
+sys.path.extend(["./"])
+
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config, pool
+from alembic import context
+
+from app.settings.globals import ALEMBIC_CONFIG
+from app.database import SessionLocal as db
+
+######################## --- MODELS FOR MIGRATIONS --- ########################
+#  from app.models import User
+
+# To include a model in migrations, add a line here.
+# from app.models.orm.person import Person
+from app.models import User
+
+###############################################################################
+
+config = context.config
+fileConfig(config.config_file_name)
+#  from app.database import SessionLocal
+#  db = SessionLocal()
+target_metadata = db
+
+
+def run_migrations_offline():
+	"""Run migrations in 'offline' mode.
+	This configures the context with just a URL
+	and not an Engine, though an Engine is acceptable
+	here as well.  By skipping the Engine creation
+	we don't even need a DBAPI to be available.
+	Calls to context.execute() here emit the given string to the
+	script output.
+	"""
+	context.configure(
+		url=ALEMBIC_CONFIG.url.__to_string__(hide_password=False),
+		target_metadata=target_metadata,
+		literal_binds=True,
+	)
+
+	with context.begin_transaction():
+		context.run_migrations()
+
+
+def run_migrations_online():
+	"""Run migrations in 'online' mode.
+	In this scenario we need to create an Engine
+	and associate a connection with the context.
+	"""
+	connectable = engine_from_config(
+		{
+			"sqlalchemy.url": ALEMBIC_CONFIG
+		},
+		prefix="sqlalchemy.",
+		poolclass=pool.NullPool,
+	)
+	with connectable.connect() as connection:
+		context.configure(
+			connection=connection, target_metadata=target_metadata
+		)
+
+	with context.begin_transaction():
+		context.run_migrations()
+
+
+if context.is_offline_mode():
+	run_migrations_offline()
+else:
+	run_migrations_online()

app/migrations/script.py.mako

@@ -0,0 +1,26 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlalchemy_utils
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+	${upgrades if upgrades else "pass"}
+
+
+
+def downgrade():
+	${downgrades if downgrades else "pass"}

app/settings/pre-start.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+alembic upgrade head

requirements.txt

@@ -2,6 +2,8 @@ fastapi
 uvicorn
 pydantic
 sqlalchemy
+sqlalchemy_utils
+alembic
 bcrypt
 curio
 aiohttp