diff --git a/.gitignore b/.gitignore
index fb6f3e7..48d260a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 .venv/
-src/__pycache__/
\ No newline at end of file
+**/__pycache__/
\ No newline at end of file
diff --git a/README.md b/README.md
index 2dea3a5..966ca38 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,8 @@
 - python 3.7
 - postgresql 12
 
+# Known restrictions
+- *models.py*, *schema.py*, and current representation of column headers in `headers` db table (as initialised by alembic migration script) **must** be kept in sync
+- `SQALCHEMY_DATABASE_URL` in *database.py* and `sqlalchemy.url` in *alembic.ini* **must** be kept in sync
+
 # Known issues
-- ```
-ERROR:  duplicate key value violates unique constraint "pg_type_typname_nsp_index"
-DETAIL:  Key (typname, typnamespace)=(headers, 2200) already exists.
-```
-at the first database init.
-https://www.postgresql.org/message-id/28194.1101582367%40sss.pgh.pa.us
-Simple restart seems to fix it.
-Use of Alembic might help
\ No newline at end of file
diff --git a/alembic.ini b/alembic.ini
new file mode 100644
index 0000000..07b45c8
--- /dev/null
+++ b/alembic.ini
@@ -0,0 +1,105 @@
+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = 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).2d_%%(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 = 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 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: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.
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+sqlalchemy.url = postgresql+psycopg2://geodata:QAKvBKvLe4bS9U@postgres/geodata
+
+
+[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/migrations/README b/migrations/README
new file mode 100644
index 0000000..98e4f9c
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/env.py b/migrations/env.py
new file mode 100644
index 0000000..ecdd29a
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,77 @@
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+from src.models import Base
+
+target_metadata = Base.metadata
+# target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """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.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """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(
+        config.get_section(config.config_ini_section),
+        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()
diff --git a/migrations/script.py.mako b/migrations/script.py.mako
new file mode 100644
index 0000000..55df286
--- /dev/null
+++ b/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/migrations/versions/b76b7f791b3b_create_item_model.py b/migrations/versions/b76b7f791b3b_create_item_model.py
new file mode 100644
index 0000000..25d9c9b
--- /dev/null
+++ b/migrations/versions/b76b7f791b3b_create_item_model.py
@@ -0,0 +1,81 @@
+"""Create item model
+
+Revision ID: b76b7f791b3b
+Revises: 
+Create Date: 2022-07-08 20:32:20.039600
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = "b76b7f791b3b"
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic ###
+    op.create_table(
+        "geodata",
+        sa.Column("id", sa.Integer(), nullable=False),
+        sa.Column("fadr", sa.String(), nullable=True),
+        sa.Column("internal_id", sa.String(), nullable=True),
+        sa.Column("x_coord", sa.String(), nullable=True),
+        sa.Column("y_coord", sa.String(), nullable=True),
+        sa.Column("gis_category", sa.String(), nullable=True),
+        sa.Column("category", sa.String(), nullable=True),
+        sa.Column("basin", sa.String(), nullable=True),
+        sa.Column("deposit", sa.String(), nullable=True),
+        sa.Column("well", sa.String(), nullable=True),
+        sa.Column("depth", sa.String(), nullable=True),
+        sa.Column("stratum", sa.String(), nullable=True),
+        sa.Column("owner", sa.String(), nullable=True),
+        sa.Column("org", sa.String(), nullable=True),
+        sa.Column("ownercontacts", sa.String(), nullable=True),
+        sa.Column("samplelist", sa.String(), nullable=True),
+        sa.Column("description", sa.String(), nullable=True),
+        sa.Column("form_dimentions", sa.String(), nullable=True),
+        sa.Column("datalist", sa.String(), nullable=True),
+        sa.Column("resolution", sa.String(), nullable=True),
+        sa.Column("date", sa.String(), nullable=True),
+        sa.Column("additional_info", sa.String(), nullable=True),
+        sa.Column("scanner", sa.String(), nullable=True),
+        sa.Column("comment", sa.String(), nullable=True),
+        sa.Column(
+            "geodata_search_ts",
+            postgresql.TSVECTOR(),
+            sa.Computed(
+                "to_tsvector('russian', coalesce(geodata.description, '') || ' ' || coalesce(geodata.additional_info, '') || ' ' || coalesce(geodata.comment, ''))",
+                persisted=True,
+            ),
+            nullable=True,
+        ),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index(
+        "geodata_search_idx",
+        "geodata",
+        ["geodata_search_ts"],
+        unique=False,
+        postgresql_using="gin",
+    )
+    op.create_index(op.f("ix_geodata_id"), "geodata", ["id"], unique=False)
+    op.create_table(
+        "headers",
+        sa.Column("database", sa.String(), nullable=False),
+        sa.Column("spreadsheet", sa.String(), nullable=True),
+        sa.PrimaryKeyConstraint("database"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("headers")
+    op.drop_index(op.f("ix_geodata_id"), table_name="geodata")
+    op.drop_index("geodata_search_idx", table_name="geodata", postgresql_using="gin")
+    op.drop_table("geodata")
+    # ### end Alembic commands ###
diff --git a/src/main.py b/src/main.py
index 8f75d5b..37707b2 100644
--- a/src/main.py
+++ b/src/main.py
@@ -10,9 +10,6 @@ from . import crud, models, schemas, spreadsheet
 from .database import SessionLocal, engine
 
 
-# TODO: switch for Alembic [2]
-models.Base.metadata.create_all(bind=engine)
-
 app = FastAPI()
 
 # Dependency
diff --git a/src/requirements-dev.txt b/src/requirements-dev.txt
index 13cac2b..9ee2a40 100644
--- a/src/requirements-dev.txt
+++ b/src/requirements-dev.txt
@@ -1,3 +1,4 @@
+alembic==1.8.0
 anyio==3.5.0
 asgiref==3.5.0
 click==8.0.4
diff --git a/src/requirements.txt b/src/requirements.txt
index f7ac231..5d244c8 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,3 +1,4 @@
+alembic==1.8.0
 anyio==3.5.0
 et-xmlfile==1.1.0
 fastapi==0.74.1