diff --git a/.DS_Store b/.DS_Store
index 1edbe20..1167484 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index 325ce06..c24e75f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,7 @@ __pycache__
 # testcode
 .pytest_cache
 .coverage
-cov_html
\ No newline at end of file
+cov_html
+
+# database
+migrations
\ No newline at end of file
diff --git a/Makefile b/Makefile
index fdefc8e..1574808 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,12 @@ GREEN=\033[1;32;40m
 RED=\033[1;31;40m
 NC=\033[0m # No Color
 
+database:
+	@bash -c "echo -e \"${GREEN}[db orm 시작]${NC}\"" 
+	python manage.py db init
+	python manage.py db migrate
+	python manage.py db upgrade
+	
 test:
 	@bash -c "echo -e \"${GREEN}[pytest 시작]${NC}\"" 
 	pipenv run pytest app/tests --cov-report=html:cov_html --cov-report=term --cov=app
\ No newline at end of file
diff --git a/app/users/views.py b/app/users/views.py
index d460553..132bfbf 100644
--- a/app/users/views.py
+++ b/app/users/views.py
@@ -14,7 +14,6 @@
 API = Namespace('Users', description="User's RESTPlus - API")
 USERS_SCHEMA = UsersSchema()
 
-
 @API.route('s')
 class UsersAuth(Resource):
     parser = reqparse.RequestParser()
@@ -40,7 +39,6 @@ def post(self):
         user = Users(args_['user_id'], hash_pw, args_['user_email'])
         return user.add(user, USERS_SCHEMA)
 
-
 @API.route('/auth')
 class UserAuth(Resource):
     parser = reqparse.RequestParser()
diff --git a/migrations/versions/bb32b366dab2_.py b/migrations/versions/bb32b366dab2_.py
deleted file mode 100644
index 889e016..0000000
--- a/migrations/versions/bb32b366dab2_.py
+++ /dev/null
@@ -1,37 +0,0 @@
-"""empty message
-
-Revision ID: bb32b366dab2
-Revises: d8019933f2c3
-Create Date: 2019-07-23 15:07:27.216578
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = 'bb32b366dab2'
-down_revision = 'd8019933f2c3'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('posts',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('author_id', sa.String(length=255), nullable=True),
-    sa.Column('title', sa.String(length=512), nullable=False),
-    sa.Column('body', sa.String(length=1024), nullable=False),
-    sa.Column('created', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
-    sa.ForeignKeyConstraint(['author_id'], ['users.user_id'], ),
-    sa.PrimaryKeyConstraint('id'),
-    mysql_collate='utf8_general_ci'
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('posts')
-    # ### end Alembic commands ###
diff --git a/migrations/versions/d8019933f2c3_.py b/migrations/versions/d8019933f2c3_.py
deleted file mode 100644
index 49beca2..0000000
--- a/migrations/versions/d8019933f2c3_.py
+++ /dev/null
@@ -1,37 +0,0 @@
-"""empty message
-
-Revision ID: d8019933f2c3
-Revises: 
-Create Date: 2019-07-23 12:06:26.634913
-
-"""
-from alembic import op
-import sqlalchemy as sa
-
-
-# revision identifiers, used by Alembic.
-revision = 'd8019933f2c3'
-down_revision = None
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('users',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('user_id', sa.String(length=255), nullable=False),
-    sa.Column('user_password', sa.String(length=255), nullable=False),
-    sa.Column('user_email', sa.String(length=255), nullable=False),
-    sa.Column('created', sa.TIMESTAMP(), server_default=sa.text('CURRENT_TIMESTAMP'), nullable=False),
-    sa.PrimaryKeyConstraint('id'),
-    sa.UniqueConstraint('user_id'),
-    mysql_collate='utf8_general_ci'
-    )
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.drop_table('users')
-    # ### end Alembic commands ###