diff --git a/app/__init__.py b/app/__init__.py
index 4ab3975b8..25d0c9e96 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -32,5 +32,10 @@ def create_app(test_config=None):
     migrate.init_app(app, db)
 
     #Register Blueprints Here
-
+    from .routes import customers_bp, videos_bp, rentals_bp
+    
+    app.register_blueprint(customers_bp)
+    app.register_blueprint(videos_bp)
+    app.register_blueprint(rentals_bp)
+    
     return app
\ No newline at end of file
diff --git a/app/models/customer.py b/app/models/customer.py
index e3aece97b..4afb2a6b9 100644
--- a/app/models/customer.py
+++ b/app/models/customer.py
@@ -1,4 +1,10 @@
 from app import db
 
 class Customer(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
\ No newline at end of file
+
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String)
+    postal_code = db.Column(db.String)
+    phone = db.Column(db.String)
+    registered_at = db.Column(db.DateTime())
+    videos = db.relationship("Video", secondary="rental", backref="customers")
\ No newline at end of file
diff --git a/app/models/rental.py b/app/models/rental.py
index 11009e593..d3d814756 100644
--- a/app/models/rental.py
+++ b/app/models/rental.py
@@ -1,4 +1,10 @@
 from app import db
 
+# join table 
 class Rental(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
\ No newline at end of file
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    customer_id = db.Column(db.Integer, db.ForeignKey('customer.id'))
+    video_id = db.Column(db.Integer, db.ForeignKey('video.id'))
+    due_date = db.Column(db.DateTime()) 
+    video = db.relationship('Video', backref='rentals')
+    customer = db.relationship('Customer', backref='rentals')
diff --git a/app/models/video.py b/app/models/video.py
index 9893a6ef9..5d0a35c92 100644
--- a/app/models/video.py
+++ b/app/models/video.py
@@ -1,4 +1,20 @@
 from app import db
 
 class Video(db.Model):
-    id = db.Column(db.Integer, primary_key=True)
\ No newline at end of file
+
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    title = db.Column(db.String)
+    release_date = db.Column(db.DateTime())
+    total_inventory = db.Column(db.Integer)
+
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "title" : self.title,
+            "release_date" : self.release_date,
+            "total_inventory" : self.total_inventory
+        }       
+
+    @classmethod
+    def from_dict(cls, values):
+        return cls(**values)
\ No newline at end of file
diff --git a/app/routes.py b/app/routes.py
index e69de29bb..34118c474 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -0,0 +1,413 @@
+from app import db
+from app.models.customer import Customer 
+from app.models.video import Video
+from app.models.rental import Rental
+from flask import Blueprint, jsonify, request
+import datetime
+from datetime import timedelta 
+
+
+# Establishing due date
+NOW = datetime.datetime.now()
+DUE_DATE = NOW + timedelta(days=7)
+
+# Blueprints
+customers_bp = Blueprint("customers", __name__, url_prefix="/customers")
+videos_bp = Blueprint("videos", __name__, url_prefix="/videos")
+rentals_bp = Blueprint("rentals", __name__, url_prefix="/rentals")
+
+# Customer model helper functions
+def display_customer_info(customer):
+    return {
+        "id": customer.id,
+        "name": customer.name,
+        "postal_code": customer.postal_code,
+        "phone": customer.phone
+    }
+
+def customer_not_found(customer_id):
+    return {"message" : f"Customer {customer_id} was not found"}
+
+# Video model helper function
+def video_not_found(video_id):
+    return {"message" : f"Video {video_id} was not found"}
+
+
+
+# ********************************
+# *** customers endpoint  CRUD ***
+# ********************************
+@customers_bp.route("", methods=["GET"])
+def get_all_customers():
+    """Lists all existing customers
+    and details about each customer
+    """
+
+    customers = Customer.query.all()
+    if customers is None:
+        return jsonify("Not Found"), 404
+
+    customer_response = []
+    for customer in customers:
+        customer_response.append(display_customer_info(customer))
+
+    return jsonify(customer_response), 200
+
+
+@customers_bp.route("/<customer_id>", methods=["GET"])
+def get_one_customer(customer_id):
+    """Returns details about a specific customer"""
+
+    if not customer_id.isnumeric():
+        return jsonify(None), 400
+    
+    customer = Customer.query.get(customer_id)
+    if customer == None:
+        return customer_not_found(customer_id), 404
+    
+    response_body = display_customer_info(customer)
+
+    return jsonify(response_body), 200
+
+
+@customers_bp.route("", methods=["POST"])
+def create_customer():
+    """Creates a new customer based on given params"""
+
+    request_body = request.get_json()
+    if "name" not in request_body:
+        return {"details": "Request body must include name."}, 400
+    if "postal_code" not in request_body:
+        return {"details": "Request body must include postal_code."}, 400
+    if "phone" not in request_body:
+        return {"details": "Request body must include phone."}, 400
+
+    new_customer = Customer(
+        name=request_body["name"],
+        postal_code=request_body["postal_code"],
+        phone=request_body["phone"]
+        )
+
+    db.session.add(new_customer)
+    db.session.commit()
+
+    return display_customer_info(new_customer), 201
+
+
+@customers_bp.route("/<customer_id>", methods=["PUT"])
+def update_existing_customer(customer_id):
+    """Updates and returns details
+    about a specific customer
+    """
+
+    customer = Customer.query.get(customer_id)
+    if not customer:
+        return customer_not_found(customer_id), 404
+
+    request_body = request.get_json()
+    if "name" not in request_body or "phone" not in request_body\
+        or "postal_code" not in request_body:
+        return jsonify("Bad Request"), 400
+
+    customer.name = request_body.get("name")
+    customer.postal_code = request_body.get("postal_code")
+    customer.phone = request_body.get("phone")
+    customer.registered_at = NOW
+
+    db.session.commit()
+    response_body = ({
+            "name": f"{customer.name}",
+            "postal_code": f"{customer.postal_code}",
+            "phone": f"{customer.phone}"})
+
+    return response_body, 200
+
+
+@customers_bp.route("/<customer_id>", methods=["DELETE"])
+def delete_existing_customer(customer_id):
+    """Deletes a specific customer"""
+
+    customer = Customer.query.get(customer_id)
+    if not customer:
+        return customer_not_found(customer_id), 404
+
+    if customer.videos:
+        for rental_record in customer.rentals:
+            db.session.delete(rental_record)
+        db.session.delete(customer)
+        db.session.commit()
+        response_body = {"message" : f"{customer.name} and all their rental records have been deleted"}
+        return jsonify(response_body), 200
+    
+    db.session.delete(customer)
+    db.session.commit()
+
+    return {"id": customer.id}, 200
+
+
+# *****************************
+# *** videos endpoint  CRUD ***
+# *****************************
+@videos_bp.route("", methods = ["GET"])
+def get_videos():
+    """Lists all existing videos
+    and details about each video
+    """
+    videos = Video.query.all()
+    response_body = [video.to_dict() for video in videos]
+
+    return jsonify(response_body), 200
+
+
+@videos_bp.route("/<video_id>", methods = ["GET"])
+def get_video(video_id):
+    """Returns details about
+    a specific video in the store's inventory
+    """
+
+    # check that </video_id> is valid input (ie an id number)
+    if not video_id.isnumeric():
+        return jsonify(None), 400
+    
+    video = Video.query.get(video_id)
+    if video == None:
+        return video_not_found(video_id), 404
+
+    response_body = video.to_dict()
+
+    return jsonify(response_body), 200
+
+
+@videos_bp.route("", methods = ["POST"])
+def post_video():
+    """Creates a new video based on given params"""
+
+    request_body = request.get_json()
+    if "title" not in request_body:
+        return {"details": "Request body must include title."}, 400
+
+    if "release_date" not in request_body:
+        return {"details": "Request body must include release_date."}, 400
+
+    if "total_inventory" not in request_body:
+        return {"details": "Request body must include total_inventory."}, 400
+
+    new_video = Video.from_dict(request_body)
+
+    db.session.add(new_video)
+    db.session.commit()
+
+    response_body = new_video.to_dict()
+
+    return jsonify(response_body), 201
+
+@videos_bp.route("<video_id>", methods = ["PUT"])
+def update_video(video_id):
+    """Returns details about
+    a specific video in the store's inventory
+    """
+
+    video = Video.query.get(video_id)
+    if video is None:
+        return video_not_found(video_id), 404
+
+    form_data = request.get_json()
+    
+    if "title" not in form_data or "total_inventory" not in form_data or "release_date" not in form_data:
+        return jsonify(None), 400
+
+    video.title = form_data["title"]
+    video.total_inventory = form_data["total_inventory"]
+    video.release_date = form_data["release_date"]
+
+    db.session.commit()
+
+    response_body = video.to_dict()
+
+    return jsonify(response_body), 200
+
+
+@videos_bp.route("/<video_id>", methods = ["DELETE"])
+def delete_video(video_id):
+    """Deletes a specific video."""
+
+    video = Video.query.get(video_id)
+    if video is None:
+        return video_not_found(video_id), 404
+    
+    if video.customers:
+        for rental_record in video.rentals:
+            db.session.delete(rental_record)
+        db.session.delete(video)
+        db.session.commit()
+        response_body = {"message" : f"{video.title} and all rental records for that film have been deleted",
+        }
+        return jsonify(response_body), 200
+    
+    response_body = {"id" : video.id}
+
+    db.session.delete(video)
+    db.session.commit()
+
+    return jsonify(response_body), 200
+
+
+# ********************************
+# *** rentals custom endpoints ***
+# ********************************
+@rentals_bp.route("/check-out", methods = ["POST"])
+def post_rentals_check_out():
+    """Checks out a video
+    to a customer and updates the database
+    """
+
+    request_body = request.get_json()
+    if "customer_id" not in request_body:
+        return {"details": "Request body must include customer_id."}, 400
+    
+    if "video_id" not in request_body:
+        return {"details": "Request body must include video_id."}, 400
+
+    # this is the customer id of the customer who has this rental
+    customer_id = request_body["customer_id"]
+    video_id = request_body["video_id"]
+
+    # check if customer exists
+    customer = Customer.query.get(customer_id)
+    if not customer:
+        return customer_not_found(customer_id), 404
+
+    # check if video exists
+    video = Video.query.get(video_id)
+    if not video:
+        return video_not_found(video_id), 404
+    
+    # check if video is in stock
+    if video.total_inventory - len(video.rentals) < 1:
+        return {"message": "Could not perform checkout"}, 400 
+
+    # create a new rental instance
+    new_rental = Rental(
+        due_date=DUE_DATE,
+        customer_id=customer.id,
+        video_id=video.id
+    )
+
+    # add new_rental instance to the database
+    db.session.add(new_rental)
+    db.session.commit()
+
+    # create a response body
+    response_body = {
+            "customer_id": new_rental.customer_id,
+            "video_id": new_rental.video_id,
+            "due_date": new_rental.due_date,
+            "videos_checked_out_count": len(customer.videos),
+            "available_inventory": video.total_inventory - len(video.rentals)
+        }
+
+    return jsonify(response_body), 200
+
+
+@rentals_bp.route("/check-in", methods = ["POST"])
+def post_rentals_check_in():
+    """Checks in a video from a customer
+    and updates the database
+    """
+
+    request_body = request.get_json()
+    # check for valid input
+    if "customer_id" not in request_body:
+        return {"details": "Request body must include customer_id."}, 400
+
+    if "video_id" not in request_body:
+        return {"details": "Request body must include video_id."}, 400
+
+    # this is the customer id of the customer who has this rental
+    customer_id = request_body["customer_id"]
+    video_id = request_body["video_id"]
+
+    # check if customer exists
+    customer = Customer.query.get(customer_id)
+    if not customer:
+        return customer_not_found(customer_id), 404
+
+    # check if video exists
+    video = Video.query.get(video_id)
+    if not video:
+        return video_not_found(video_id), 404
+
+    # logic for counting number of check-ins
+    checked_in_count = len(video.rentals) - 1
+
+    rentals = customer.rentals
+    if not rentals:
+        return {"message": "No outstanding rentals for customer 1 and video 1"}, 400 
+
+    for rental in rentals:
+        response_body = {
+            "customer_id": rental.customer_id,
+            "video_id" : rental.video_id,
+            "videos_checked_out_count" : (len(customer.videos) - 1),
+            "available_inventory" : (video.total_inventory - checked_in_count) 
+        }   
+
+    # delete the rental record
+    db.session.delete(rental)
+    db.session.commit()
+
+    return jsonify(response_body), 200
+
+
+# **********************************
+# *** customers custom endpoints ***
+# **********************************
+@customers_bp.route("/<customer_id>/rentals", methods=["GET"])
+def get_checked_out_videos(customer_id):
+    """Lists the videos a customer
+    currently has checked out
+    """
+
+    #check if the customer exists
+    customer = Customer.query.get(customer_id)
+    if customer is None:
+        return customer_not_found(customer_id), 404
+    
+    checked_out_videos = []
+    rentals = customer.rentals
+    videos = customer.videos
+    for rental in rentals:
+        for video in videos:
+            checked_out_videos.append({
+                "release_date": video.release_date,
+                "title": video.title,
+                "due_date": rental.due_date
+                })
+
+    return jsonify(checked_out_videos), 200
+
+
+# **********************************
+# *** videos custom endpoints ***
+# **********************************
+@videos_bp.route("/<video_id>/rentals", methods=["GET"])
+def get_customers_by_video(video_id):
+    """Lists the customers who currently
+    have the video checked out
+    """
+
+    video = Video.query.get(video_id)
+    if video is None:
+        return video_not_found(video_id), 404
+
+    customers_with_video = []
+    rentals = video.rentals
+    for rental in rentals:
+        customers_with_video.append({
+            "name": rental.customer.name,
+            "phone": rental.customer.phone,
+            "postal_code": rental.customer.postal_code,
+            "due_date": rental.due_date
+        })
+
+    return jsonify(customers_with_video), 200
\ No newline at end of file
diff --git a/migrations/README b/migrations/README
new file mode 100644
index 000000000..98e4f9c44
--- /dev/null
+++ b/migrations/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/migrations/alembic.ini b/migrations/alembic.ini
new file mode 100644
index 000000000..f8ed4801f
--- /dev/null
+++ b/migrations/alembic.ini
@@ -0,0 +1,45 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# 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/env.py b/migrations/env.py
new file mode 100644
index 000000000..8b3fb3353
--- /dev/null
+++ b/migrations/env.py
@@ -0,0 +1,96 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from flask import current_app
+
+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.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.engine.url).replace('%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# 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():
+    """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
+    )
+
+    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.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    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,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        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 000000000..2c0156303
--- /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():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}
diff --git a/migrations/versions/c5f908b46d67_.py b/migrations/versions/c5f908b46d67_.py
new file mode 100644
index 000000000..3f2ee99f8
--- /dev/null
+++ b/migrations/versions/c5f908b46d67_.py
@@ -0,0 +1,53 @@
+"""empty message
+
+Revision ID: c5f908b46d67
+Revises: 
+Create Date: 2021-11-15 15:52:07.156915
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c5f908b46d67'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('customer',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(), nullable=True),
+    sa.Column('postal_code', sa.String(), nullable=True),
+    sa.Column('phone', sa.String(), nullable=True),
+    sa.Column('registered_at', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('video',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('title', sa.String(), nullable=True),
+    sa.Column('release_date', sa.DateTime(), nullable=True),
+    sa.Column('total_inventory', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('rental',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('customer_id', sa.Integer(), nullable=True),
+    sa.Column('video_id', sa.Integer(), nullable=True),
+    sa.Column('due_date', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['customer_id'], ['customer.id'], ),
+    sa.ForeignKeyConstraint(['video_id'], ['video.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('rental')
+    op.drop_table('video')
+    op.drop_table('customer')
+    # ### end Alembic commands ###
diff --git a/requirements.txt b/requirements.txt
index 71f94035e..7897bdf91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ blinker==1.4
 certifi==2020.12.5
 chardet==4.0.0
 click==7.1.2
+DateTime==4.3
 Flask==1.1.2
 Flask-Migrate==2.6.0
 Flask-SQLAlchemy==2.4.4
@@ -24,9 +25,11 @@ pytest==6.2.5
 python-dateutil==2.8.1
 python-dotenv==0.15.0
 python-editor==1.0.4
+pytz==2021.3
 requests==2.25.1
 six==1.15.0
 SQLAlchemy==1.3.23
 toml==0.10.2
 urllib3==1.26.5
 Werkzeug==1.0.1
+zope.interface==5.4.0
diff --git a/tests/test_wave_01.py b/tests/test_wave_01.py
index 8d32038f2..7c90b62b5 100644
--- a/tests/test_wave_01.py
+++ b/tests/test_wave_01.py
@@ -66,7 +66,6 @@ def test_get_invalid_video_id(client, one_video):
     # Assert
     assert response.status_code == 400
 
-
 # CREATE
 def test_create_video(client):
     # Act
diff --git a/tests/test_wave_02.py b/tests/test_wave_02.py
index b9f65b208..28e665811 100644
--- a/tests/test_wave_02.py
+++ b/tests/test_wave_02.py
@@ -159,9 +159,9 @@ def test_rentals_by_customer(client, one_checked_out_video):
 
     response_body = response.get_json()
 
-    response.status_code == 200
-    len(response_body) == 1
-    response_body[0]["title"] == VIDEO_TITLE
+    assert response.status_code == 200
+    assert len(response_body) == 1
+    assert response_body[0]["title"] == VIDEO_TITLE
 
 def test_rentals_by_customer_not_found(client):
     response = client.get("/customers/1/rentals")