diff --git a/.gitignore b/.gitignore
index 4ea3da9..157d6b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,6 @@ venv.bak/
 
 dist/
 
-result
\ No newline at end of file
+result
+
+config.toml
\ No newline at end of file
diff --git a/alembic.ini b/alembic.ini
new file mode 100644
index 0000000..1a85016
--- /dev/null
+++ b/alembic.ini
@@ -0,0 +1,110 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = worblehat/models/migrations
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file
+# for all available tokens
+file_template = %%(year)d-%%(month).2d-%%(day).2dT%%(hour).2d%%(minute).2d_%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python-dateutil library that can be
+# installed by adding `alembic[tz]` to the pip requirements
+# 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 = true
+
+# 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 worblehat/models/migrations/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "version_path_separator" below.
+# version_locations = %(here)s/bar:%(here)s/bat:worblehat/models/migrations/versions
+
+# version path separator; As mentioned above, this is the character used to split
+# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
+# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
+# Valid values for version_path_separator are:
+#
+# version_path_separator = :
+# version_path_separator = ;
+# version_path_separator = space
+version_path_separator = os  # Use os.pathsep. Default configuration used for new projects.
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+# sqlalchemy.url = driver://user:pass@localhost/dbname
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# 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
diff --git a/poetry.lock b/poetry.lock
index 1035bee..67e5878 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -315,19 +315,107 @@ files = [
 ]
 
 [[package]]
-name = "python-dotenv"
-version = "1.0.0"
-description = "Read key-value pairs from a .env file and set them as environment variables"
-category = "main"
+name = "pastel"
+version = "0.2.1"
+description = "Bring colors to your terminal."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+files = [
+    {file = "pastel-0.2.1-py2.py3-none-any.whl", hash = "sha256:4349225fcdf6c2bb34d483e523475de5bb04a5c10ef711263452cb37d7dd4364"},
+    {file = "pastel-0.2.1.tar.gz", hash = "sha256:e6581ac04e973cac858828c6202c1e1e81fee1dc7de7683f3e1ffe0bfd8a573d"},
+]
+
+[[package]]
+name = "poethepoet"
+version = "0.20.0"
+description = "A task runner that works well with poetry."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "python-dotenv-1.0.0.tar.gz", hash = "sha256:a8df96034aae6d2d50a4ebe8216326c61c3eb64836776504fcca410e5937a3ba"},
-    {file = "python_dotenv-1.0.0-py3-none-any.whl", hash = "sha256:f5971a9226b701070a4bf2c38c89e5a3f0d64de8debda981d1db98583009122a"},
+    {file = "poethepoet-0.20.0-py3-none-any.whl", hash = "sha256:cb37be15f3895ccc65ddf188c2e3d8fb79e26cc9d469a6098cb1c6f994659f6f"},
+    {file = "poethepoet-0.20.0.tar.gz", hash = "sha256:ca5a2a955f52dfb0a53fad3c989ef0b69ce3d5ec0f6bfa9b1da1f9e32d262e20"},
 ]
 
+[package.dependencies]
+pastel = ">=0.2.1,<0.3.0"
+tomli = ">=1.2.2"
+
 [package.extras]
-cli = ["click (>=5.0)"]
+poetry-plugin = ["poetry (>=1.0,<2.0)"]
+
+[[package]]
+name = "psycopg2-binary"
+version = "2.9.6"
+description = "psycopg2 - Python-PostgreSQL Database Adapter"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "psycopg2-binary-2.9.6.tar.gz", hash = "sha256:1f64dcfb8f6e0c014c7f55e51c9759f024f70ea572fbdef123f85318c297947c"},
+    {file = "psycopg2_binary-2.9.6-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:d26e0342183c762de3276cca7a530d574d4e25121ca7d6e4a98e4f05cb8e4df7"},
+    {file = "psycopg2_binary-2.9.6-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:c48d8f2db17f27d41fb0e2ecd703ea41984ee19362cbce52c097963b3a1b4365"},
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+]
 
 [[package]]
 name = "sqlalchemy"
@@ -407,6 +495,18 @@ postgresql-psycopg2cffi = ["psycopg2cffi"]
 pymysql = ["pymysql"]
 sqlcipher = ["sqlcipher3-binary"]
 
+[[package]]
+name = "tomli"
+version = "2.0.1"
+description = "A lil' TOML parser"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
+    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
+]
+
 [[package]]
 name = "typing-extensions"
 version = "4.5.0"
@@ -457,5 +557,5 @@ email = ["email-validator"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "^3.10"
-content-hash = "5d3f98b7404ad05269ae8b89d054613fcde49608e826d90f38b93f8d76a763d5"
+python-versions = "^3.11"
+content-hash = "123df985006374b7c4ede4587a2facef89306039e35af84ddc9c516eecd46c89"
diff --git a/pyproject.toml b/pyproject.toml
index 1a50fa2..57a527d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,16 +14,33 @@ flask-admin = "^1.6.1"
 flask-sqlalchemy = "^3.0.3"
 isbnlib = "^3.10.14"
 python = "^3.11"
-python-dotenv = "^1.0.0"
 sqlalchemy = "^2.0.8"
+psycopg2-binary = "^2.9.6"
 
 [tool.poetry.group.dev.dependencies]
 werkzeug = "^2.3.3"
+poethepoet = "^0.20.0"
 
 [tool.poetry.scripts]
 cli = "worblehat.cli.main:main"
 dev = "worblehat.flaskapp.wsgi_dev:main"
 
+[tool.poe.tasks]
+clean = """
+    rm -rf
+       ./**/__pycache__
+       ./**/worblehat.sqlite
+"""
+
+# Migration related
+genmigration = "alembic revision --autogenerate -m"
+migrate = "alembic upgrade head"
+downmigrate = "alembic downgrade -1"
+# Be careful with cleanmigrations. If you run migrate a database and then
+# delete the migration file with this, there will be no easy way of downgrading
+cleanmigrations = "git clean -f worblehat/models/migrations/versions"
+
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
diff --git a/worblehat/models/migrations/env.py b/worblehat/models/migrations/env.py
new file mode 100644
index 0000000..662a6b6
--- /dev/null
+++ b/worblehat/models/migrations/env.py
@@ -0,0 +1,56 @@
+from alembic import context
+from flask import current_app
+from logging.config import fileConfig
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from worblehat.models import Base
+from worblehat.services.config import Config
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+Config.load_configuration({})
+
+config.set_main_option('sqlalchemy.url', Config.db_string())
+
+# This will make sure alembic doesn't generate empty migrations
+# https://stackoverflow.com/questions/70203927/how-to-prevent-alembic-revision-autogenerate-from-making-revision-file-if-it-h
+def _process_revision_directives(context, revision, directives):
+    if config.cmd_opts.autogenerate:
+        script = directives[0]
+        if script.upgrade_ops.is_empty():
+            directives[:] = []
+            print('No changes in schema detected. Not generating migration.')
+
+def run_migrations_online() -> None:
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=Base.metadata,
+
+            # Extended type checking with alembic when generating migrations
+            # https://alembic.sqlalchemy.org/en/latest/autogenerate.html#what-does-autogenerate-detect-and-what-does-it-not-detect
+            compare_type=True,
+
+            # This is required for ALTER TABLE to work with sqlite.
+            # It should have no effect on postgreSQL
+            # https://alembic.sqlalchemy.org/en/latest/batch.html
+            render_as_batch=True,
+            process_revision_directives=_process_revision_directives,
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+# We don't have any good reasons to generate raw sql migrations,
+# so the `run_migrations_offline` has been removed
+run_migrations_online()
diff --git a/worblehat/models/migrations/script.py.mako b/worblehat/models/migrations/script.py.mako
new file mode 100644
index 0000000..55df286
--- /dev/null
+++ b/worblehat/models/migrations/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${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() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}
diff --git a/worblehat/models/migrations/versions/2023-05-06T1746_d51c7172d2f2_initial_migration.py b/worblehat/models/migrations/versions/2023-05-06T1746_d51c7172d2f2_initial_migration.py
new file mode 100644
index 0000000..ff78269
--- /dev/null
+++ b/worblehat/models/migrations/versions/2023-05-06T1746_d51c7172d2f2_initial_migration.py
@@ -0,0 +1,175 @@
+"""initial_migration
+
+Revision ID: d51c7172d2f2
+Revises: 
+Create Date: 2023-05-06 17:46:39.230122
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd51c7172d2f2'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('Author',
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_Author'))
+    )
+    with op.batch_alter_table('Author', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_Author_name'), ['name'], unique=True)
+
+    op.create_table('Bookcase',
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_Bookcase'))
+    )
+    with op.batch_alter_table('Bookcase', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_Bookcase_name'), ['name'], unique=True)
+
+    op.create_table('Category',
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_Category'))
+    )
+    with op.batch_alter_table('Category', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_Category_name'), ['name'], unique=True)
+
+    op.create_table('Language',
+    sa.Column('iso639_1_code', sa.String(length=2), nullable=False),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_Language'))
+    )
+    with op.batch_alter_table('Language', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_Language_iso639_1_code'), ['iso639_1_code'], unique=True)
+        batch_op.create_index(batch_op.f('ix_Language_name'), ['name'], unique=True)
+
+    op.create_table('MediaType',
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_MediaType'))
+    )
+    with op.batch_alter_table('MediaType', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_MediaType_name'), ['name'], unique=True)
+
+    op.create_table('BookcaseShelf',
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('row', sa.SmallInteger(), nullable=False),
+    sa.Column('column', sa.SmallInteger(), nullable=False),
+    sa.Column('fk_bookcase_uid', sa.Integer(), nullable=False),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_bookcase_uid'], ['Bookcase.uid'], name=op.f('fk_BookcaseShelf_fk_bookcase_uid_Bookcase')),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_BookcaseShelf')),
+    sa.UniqueConstraint('column', 'fk_bookcase_uid', 'row', name=op.f('uq_BookcaseShelf_column'))
+    )
+    op.create_table('BookcaseItem',
+    sa.Column('isbn', sa.String(), nullable=False),
+    sa.Column('owner', sa.String(), nullable=False),
+    sa.Column('amount', sa.SmallInteger(), nullable=False),
+    sa.Column('fk_media_type_uid', sa.Integer(), nullable=False),
+    sa.Column('fk_bookcase_shelf_uid', sa.Integer(), nullable=True),
+    sa.Column('fk_language_uid', sa.Integer(), nullable=True),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.Column('name', sa.Text(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_bookcase_shelf_uid'], ['BookcaseShelf.uid'], name=op.f('fk_BookcaseItem_fk_bookcase_shelf_uid_BookcaseShelf')),
+    sa.ForeignKeyConstraint(['fk_language_uid'], ['Language.uid'], name=op.f('fk_BookcaseItem_fk_language_uid_Language')),
+    sa.ForeignKeyConstraint(['fk_media_type_uid'], ['MediaType.uid'], name=op.f('fk_BookcaseItem_fk_media_type_uid_MediaType')),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_BookcaseItem'))
+    )
+    with op.batch_alter_table('BookcaseItem', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_BookcaseItem_isbn'), ['isbn'], unique=True)
+        batch_op.create_index(batch_op.f('ix_BookcaseItem_name'), ['name'], unique=True)
+
+    op.create_table('BookcaseItemBorrowing',
+    sa.Column('username', sa.String(), nullable=False),
+    sa.Column('start_time', sa.DateTime(), nullable=False),
+    sa.Column('end_time', sa.DateTime(), nullable=False),
+    sa.Column('delivered', sa.Boolean(), nullable=False),
+    sa.Column('fk_bookcase_item_uid', sa.Integer(), nullable=False),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_bookcase_item_uid'], ['BookcaseItem.uid'], name=op.f('fk_BookcaseItemBorrowing_fk_bookcase_item_uid_BookcaseItem')),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_BookcaseItemBorrowing'))
+    )
+    with op.batch_alter_table('BookcaseItemBorrowing', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_BookcaseItemBorrowing_fk_bookcase_item_uid'), ['fk_bookcase_item_uid'], unique=False)
+
+    op.create_table('BookcaseItemBorrowingQueue',
+    sa.Column('username', sa.String(), nullable=False),
+    sa.Column('entered_queue_time', sa.DateTime(), nullable=True),
+    sa.Column('should_notify_user', sa.Boolean(), nullable=True),
+    sa.Column('fk_bookcase_item_uid', sa.Integer(), nullable=False),
+    sa.Column('uid', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_bookcase_item_uid'], ['BookcaseItem.uid'], name=op.f('fk_BookcaseItemBorrowingQueue_fk_bookcase_item_uid_BookcaseItem')),
+    sa.PrimaryKeyConstraint('uid', name=op.f('pk_BookcaseItemBorrowingQueue'))
+    )
+    with op.batch_alter_table('BookcaseItemBorrowingQueue', schema=None) as batch_op:
+        batch_op.create_index(batch_op.f('ix_BookcaseItemBorrowingQueue_fk_bookcase_item_uid'), ['fk_bookcase_item_uid'], unique=False)
+
+    op.create_table('Item_Author',
+    sa.Column('fk_item_uid', sa.Integer(), nullable=False),
+    sa.Column('fk_author_uid', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_author_uid'], ['Author.uid'], name=op.f('fk_Item_Author_fk_author_uid_Author')),
+    sa.ForeignKeyConstraint(['fk_item_uid'], ['BookcaseItem.uid'], name=op.f('fk_Item_Author_fk_item_uid_BookcaseItem')),
+    sa.PrimaryKeyConstraint('fk_item_uid', 'fk_author_uid', name=op.f('pk_Item_Author'))
+    )
+    op.create_table('Item_Category',
+    sa.Column('fk_item_uid', sa.Integer(), nullable=False),
+    sa.Column('fk_category_uid', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['fk_category_uid'], ['Category.uid'], name=op.f('fk_Item_Category_fk_category_uid_Category')),
+    sa.ForeignKeyConstraint(['fk_item_uid'], ['BookcaseItem.uid'], name=op.f('fk_Item_Category_fk_item_uid_BookcaseItem')),
+    sa.PrimaryKeyConstraint('fk_item_uid', 'fk_category_uid', name=op.f('pk_Item_Category'))
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('Item_Category')
+    op.drop_table('Item_Author')
+    with op.batch_alter_table('BookcaseItemBorrowingQueue', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_BookcaseItemBorrowingQueue_fk_bookcase_item_uid'))
+
+    op.drop_table('BookcaseItemBorrowingQueue')
+    with op.batch_alter_table('BookcaseItemBorrowing', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_BookcaseItemBorrowing_fk_bookcase_item_uid'))
+
+    op.drop_table('BookcaseItemBorrowing')
+    with op.batch_alter_table('BookcaseItem', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_BookcaseItem_name'))
+        batch_op.drop_index(batch_op.f('ix_BookcaseItem_isbn'))
+
+    op.drop_table('BookcaseItem')
+    op.drop_table('BookcaseShelf')
+    with op.batch_alter_table('MediaType', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_MediaType_name'))
+
+    op.drop_table('MediaType')
+    with op.batch_alter_table('Language', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_Language_name'))
+        batch_op.drop_index(batch_op.f('ix_Language_iso639_1_code'))
+
+    op.drop_table('Language')
+    with op.batch_alter_table('Category', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_Category_name'))
+
+    op.drop_table('Category')
+    with op.batch_alter_table('Bookcase', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_Bookcase_name'))
+
+    op.drop_table('Bookcase')
+    with op.batch_alter_table('Author', schema=None) as batch_op:
+        batch_op.drop_index(batch_op.f('ix_Author_name'))
+
+    op.drop_table('Author')
+    # ### end Alembic commands ###