diff --git a/Procfile b/Procfile
new file mode 100644
index 000000000..62e430aca
--- /dev/null
+++ b/Procfile
@@ -0,0 +1 @@
+web: gunicorn 'app:create_app()'
\ No newline at end of file
diff --git a/app/__init__.py b/app/__init__.py
index 70b4cabfe..47a8cce62 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -1,7 +1,35 @@
 from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from dotenv import load_dotenv
+import os 
 
+db = SQLAlchemy()
+migrate = Migrate()
+load_dotenv()
 
 def create_app(test_config=None):
     app = Flask(__name__)
 
+    if not test_config:
+        app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+        app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get("SQLALCHEMY_DATABASE_URI")
+
+    else:
+        app.config["TESTING"] = True
+        app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
+            "SQLALCHEMY_TEST_DATABASE_URI")
+
+
+    from app.models.planet import Planet
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    from .routes.routes import planet_bp
+    app.register_blueprint(planet_bp)
+    
     return app
+
+
diff --git a/app/models/__init__.py b/app/models/__init__.py
new file mode 100644
index 000000000..139597f9c
--- /dev/null
+++ b/app/models/__init__.py
@@ -0,0 +1,2 @@
+
+
diff --git a/app/models/moon.py b/app/models/moon.py
new file mode 100644
index 000000000..9fd7bf26e
--- /dev/null
+++ b/app/models/moon.py
@@ -0,0 +1,13 @@
+from app import db
+
+class Moon(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String)
+    planet_id = db.Column(db.Integer, db.ForeignKey('planet.id'))
+    planet = db.relationship("Planet", back_populates="moons")
+
+    def to_json(self):
+        return {
+                "id": self.id,
+                "name": self.name
+            }
\ No newline at end of file
diff --git a/app/models/planet.py b/app/models/planet.py
new file mode 100644
index 000000000..365532744
--- /dev/null
+++ b/app/models/planet.py
@@ -0,0 +1,15 @@
+from app import db
+
+class Planet(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String)
+    description = db.Column(db.String)
+    moons = db.Column(db.Integer)
+
+    def to_json(self):
+        return {
+                "id": self.id,
+                "name": self.name,
+                "description": self.description,
+                "moons": self.moons
+            }
diff --git a/app/routes.py b/app/routes.py
deleted file mode 100644
index 8e9dfe684..000000000
--- a/app/routes.py
+++ /dev/null
@@ -1,2 +0,0 @@
-from flask import Blueprint
-
diff --git a/app/routes/helper.py b/app/routes/helper.py
new file mode 100644
index 000000000..3e73a3bd8
--- /dev/null
+++ b/app/routes/helper.py
@@ -0,0 +1,14 @@
+# Helper function:
+from flask import abort, make_response, jsonify
+from app.models.planet import Planet
+
+def validate_planet(planet_id):
+    try:
+        planet_id = int(planet_id)
+    except:
+        abort(make_response(jsonify(f"planet {planet_id} invalid"), 400))
+
+    planet = Planet.query.get(planet_id)
+    if not planet:
+        abort(make_response(jsonify(f"planet {planet_id} not found"), 404))
+    return planet
\ No newline at end of file
diff --git a/app/routes/moon_routes.py b/app/routes/moon_routes.py
new file mode 100644
index 000000000..4f4f31707
--- /dev/null
+++ b/app/routes/moon_routes.py
@@ -0,0 +1,9 @@
+# from app import db
+# from app.models.planet import Planet
+# from app.models.moon import Moon
+# from flask import Blueprint, jsonify, abort, make_response, request
+# from .helper import validate_planet
+
+# moons_bp = Blueprint("moons", __name__, url_prefix="/moons")
+
+# do we even need this
\ No newline at end of file
diff --git a/app/routes/planet_routes.py b/app/routes/planet_routes.py
new file mode 100644
index 000000000..c3e0a62cb
--- /dev/null
+++ b/app/routes/planet_routes.py
@@ -0,0 +1,94 @@
+from app import db
+from app.models.planet import Planet
+from flask import Blueprint, jsonify, abort, make_response, request
+from .helper import validate_planet
+from app.models.moon import Moon
+
+planets_bp = Blueprint("planets_bp", __name__, url_prefix="/planets")
+
+@planets_bp.route("", methods=["POST"])
+def create_planets():
+    request_body = request.get_json()
+    
+    try:
+        new_planet = Planet(name = request_body["name"], description = request_body["description"])
+        db.session.add(new_planet)
+        db.session.commit()
+    except:
+        abort(make_response(jsonify({"message":f"invalid input"}), 400))
+    return make_response(jsonify(f"Planet {new_planet.name} successfully created"), 201)
+    
+
+@planets_bp.route("", methods=["GET"])
+def read_all_planets():
+    
+
+    name_query = request.args.get("name")
+    # moons_query = request.args.get("moons")
+    if name_query:
+        planets = Planet.query.filter_by(name = name_query)
+    # elif moons_query:
+    #     planets = Planet.query.filter_by(moons = moons_query)
+    else:
+        planets = Planet.query.all()
+    planets_response = []    
+    try:
+        for planet in planets:
+            planets_response.append(planet.to_json())
+            
+    except:
+        abort(make_response(jsonify(f"planet not found"), 404))
+    return make_response(jsonify(planets_response),200)
+
+
+
+
+@planets_bp.route("/<planet_id>", methods=["GET"])
+def read_one_planet(planet_id):
+    planet = validate_planet(planet_id)
+    return make_response(planet.to_json(), 200)
+
+
+@planets_bp.route("/<planet_id>", methods=["PUT"])
+def update_planet(planet_id):
+    planet = validate_planet(planet_id)
+
+    request_body = request.get_json()
+    try: 
+        planet.name = request_body["name"]
+        planet.description = request_body["description"]
+        # planet.moons = request_body["moons"]
+    except:
+        abort(make_response(jsonify(f"invalid data"), 400))
+    
+    db.session.commit()
+
+    return jsonify(planet.to_json(), 200)
+
+@planets_bp.route("/<planet_id>", methods=["DELETE"])
+def delete_a_planet(planet_id):
+    planet = validate_planet(planet_id)
+
+    db.session.delete(planet)
+    db.session.commit()
+
+    return make_response(jsonify(f"planet{planet_id} successfully deleted"), 200)
+
+@planets_bp.route("/<planet_id>/moons", methods=["GET"])
+def read_moons_for_planet(planet_id):
+    planet = validate_planet(planet_id)
+    moons_response = []
+    for moon in planet.moons:
+        moons_response.append(moon.to_json())
+    return make_response(jsonify(moons_response), 200)
+
+@planets_bp.route("/<planet_id>/moons", methods=["POST"])
+def write_moon_to_planet(planet_id):
+    planet = validate_planet(planet_id)
+    request_body = request.get_json()
+    new_moon = Moon(name=request_body["name"], planet=planet)
+
+    db.session.add(new_moon)
+    db.session.commit()
+
+    return make_response(jsonify(f"Moon {new_moon.name} of the planet {new_moon.planet.name} successfully created"), 201)
\ No newline at end of file
diff --git a/app/routes/routes.py b/app/routes/routes.py
new file mode 100644
index 000000000..e54110b27
--- /dev/null
+++ b/app/routes/routes.py
@@ -0,0 +1,75 @@
+from app import db
+from app.models.planet import Planet
+from flask import Blueprint, jsonify, abort, make_response, request
+from .helper import validate_planet
+
+planet_bp = Blueprint("planet_bp", __name__, url_prefix="/planets")
+
+@planet_bp.route("", methods=["POST"])
+def create_planets():
+    request_body = request.get_json()
+    
+    try:
+        new_planet = Planet(name = request_body["name"], description = request_body["description"], moons = request_body["moons"])
+        db.session.add(new_planet)
+        db.session.commit()
+    except:
+        abort(make_response(jsonify({"message":f"invalid input"}), 400))
+    return make_response(jsonify(f"Planet {new_planet.name} successfully created"), 201)
+    
+
+@planet_bp.route("", methods=["GET"])
+def read_all_planets():
+    
+
+    name_query = request.args.get("name")
+    moons_query = request.args.get("moons")
+    if name_query:
+        planets = Planet.query.filter_by(name = name_query)
+    elif moons_query:
+        planets = Planet.query.filter_by(moons = moons_query)
+    else:
+        planets = Planet.query.all()
+    planets_response = []    
+    try:
+        for planet in planets:
+            planets_response.append(planet.to_json())
+            
+    except:
+        abort(make_response(jsonify(f"planet not found"), 404))
+    return make_response(jsonify(planets_response),200)
+
+
+
+
+@planet_bp.route("/<planet_id>", methods=["GET"])
+def read_one_planet(planet_id):
+    planet = validate_planet(planet_id)
+    return make_response(planet.to_json(), 200)
+
+
+@planet_bp.route("/<planet_id>", methods=["PUT"])
+def update_planet(planet_id):
+    planet = validate_planet(planet_id)
+
+    request_body = request.get_json()
+    try: 
+        planet.name = request_body["name"]
+        planet.description = request_body["description"]
+        planet.moons = request_body["moons"]
+    except:
+        abort(make_response(jsonify(f"invalid data"), 400))
+    
+    db.session.commit()
+
+    return jsonify(planet.to_json(), 200)
+
+@planet_bp.route("/<planet_id>", methods=["DELETE"])
+def delete_a_planet(planet_id):
+    planet = validate_planet(planet_id)
+
+    db.session.delete(planet)
+    db.session.commit()
+
+    return make_response(jsonify(f"planet{planet_id} successfully deleted"), 200)
+
diff --git a/app/tests/__init__.py b/app/tests/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/tests/conftest.py b/app/tests/conftest.py
new file mode 100644
index 000000000..5108fda1f
--- /dev/null
+++ b/app/tests/conftest.py
@@ -0,0 +1,34 @@
+import pytest
+from app import create_app
+from app import db
+from flask.signals import request_finished
+from app.models.planet import Planet
+
+
+@pytest.fixture
+def app():
+    app = create_app({"TESTING": True})
+
+    @request_finished.connect_via(app)
+    def expire_session(sender, response, **extra):
+        db.session.remove()
+
+    with app.app_context():
+        db.create_all()
+        yield app
+
+    with app.app_context():
+        db.drop_all()
+
+
+@pytest.fixture
+def client(app):
+    return app.test_client()
+
+@pytest.fixture
+def two_saved_planets(app):
+    Mercury = Planet(name = "Mercury", description = "This is the first planet", moons = 2)
+    Venus = Planet(name = "Venus", description = "named after the Roman goddess of love and beauty", moons = 0)
+
+    db.session.add_all([Mercury,Venus])
+    db.session.commit()
\ No newline at end of file
diff --git a/app/tests/moon_routes.py b/app/tests/moon_routes.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/app/tests/routes.py b/app/tests/routes.py
new file mode 100644
index 000000000..44f47f1c9
--- /dev/null
+++ b/app/tests/routes.py
@@ -0,0 +1,37 @@
+
+
+def test_get_all_planets_with_no_records(client):
+    # Act
+    response = client.get("/planets")
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 200
+    assert response_body == []
+
+def test_get_book_by_id(client, two_saved_planets):
+
+    response = client.get('/planets/2')
+    response_body = response.get_json()
+
+    assert response.status_code == 200
+    assert response_body == {
+        "id": 2,
+        "name": "Venus",
+        "description": "named after the Roman goddess of love and beauty",
+        "moons" : 0
+    }
+
+
+def test_create_one_planet(client):
+    # Act
+    response = client.post("/planets", json={
+        "name": "Asimov",
+        "description": "This planet named after Isaac Asimov, the other of Lucky Starr book series",
+        "moons" : 4
+    })
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 201
+    assert response_body == "Planet Asimov successfully created"
\ No newline at end of file
diff --git a/app/tests/test_routes.py b/app/tests/test_routes.py
new file mode 100644
index 000000000..44f47f1c9
--- /dev/null
+++ b/app/tests/test_routes.py
@@ -0,0 +1,37 @@
+
+
+def test_get_all_planets_with_no_records(client):
+    # Act
+    response = client.get("/planets")
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 200
+    assert response_body == []
+
+def test_get_book_by_id(client, two_saved_planets):
+
+    response = client.get('/planets/2')
+    response_body = response.get_json()
+
+    assert response.status_code == 200
+    assert response_body == {
+        "id": 2,
+        "name": "Venus",
+        "description": "named after the Roman goddess of love and beauty",
+        "moons" : 0
+    }
+
+
+def test_create_one_planet(client):
+    # Act
+    response = client.post("/planets", json={
+        "name": "Asimov",
+        "description": "This planet named after Isaac Asimov, the other of Lucky Starr book series",
+        "moons" : 4
+    })
+    response_body = response.get_json()
+
+    # Assert
+    assert response.status_code == 201
+    assert response_body == "Planet Asimov successfully created"
\ 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/dbb234d9cc93_adds_planet_model.py b/migrations/versions/dbb234d9cc93_adds_planet_model.py
new file mode 100644
index 000000000..f41c7597d
--- /dev/null
+++ b/migrations/versions/dbb234d9cc93_adds_planet_model.py
@@ -0,0 +1,34 @@
+"""adds Planet  model
+
+Revision ID: dbb234d9cc93
+Revises: 
+Create Date: 2022-04-30 00:06:20.141358
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'dbb234d9cc93'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('planet',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(), nullable=True),
+    sa.Column('description', sa.String(), nullable=True),
+    sa.Column('moons', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('planet')
+    # ### end Alembic commands ###
diff --git a/procfile b/procfile
new file mode 100644
index 000000000..62e430aca
--- /dev/null
+++ b/procfile
@@ -0,0 +1 @@
+web: gunicorn 'app:create_app()'
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index a506b4d12..37b7c1d29 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,19 +1,27 @@
 alembic==1.5.4
+attrs==21.4.0
 autopep8==1.5.5
 blinker==1.4
 certifi==2020.12.5
 chardet==4.0.0
 click==7.1.2
+coverage==6.3.2
 Flask==1.1.2
 Flask-Migrate==2.6.0
 Flask-SQLAlchemy==2.4.4
+gunicorn==20.1.0
 idna==2.10
+iniconfig==1.1.1
 itsdangerous==1.1.0
 Jinja2==2.11.3
 Mako==1.1.4
 MarkupSafe==1.1.1
+packaging==21.3
+pluggy==0.13.1
 psycopg2-binary==2.8.6
+py==1.11.0
 pycodestyle==2.6.0
+pyparsing==3.0.8
 pytest==6.2.3
 pytest-cov==2.12.1
 python-dateutil==2.8.1
diff --git a/test_fixtures.py b/test_fixtures.py
new file mode 100644
index 000000000..49ad418d9
--- /dev/null
+++ b/test_fixtures.py
@@ -0,0 +1,45 @@
+import pytest
+from app import create_app
+from app import db
+
+@pytest.fixture
+def empty_list():
+    return []
+
+def test_len_of_empty_list(empty_list):
+    assert isinstance(empty_list, list)
+    assert len(empty_list) == 0
+
+@pytest.fixture
+def one_item(empty_list):
+    empty_list.append("item")
+    return empty_list
+
+def test_len_of_unary_list(one_item):
+    assert isinstance(one_item, list)
+    assert len(one_item) == 1
+    assert one_item[0] == "item"
+
+class FancyObject:
+    def __init__(self):
+        self.fancy = True
+        print(f"\nFancyObject: {self.fancy}")
+
+    def or_is_it(self):
+        self.fancy = not self.fancy
+
+    def cleanup(self):
+        print(f"\ncleanup: {self.fancy}")
+
+@pytest.fixture
+def so_fancy():
+    fancy_object = FancyObject()
+
+    yield fancy_object
+
+    fancy_object.cleanup()
+
+def test_so_fancy(so_fancy):
+    assert so_fancy.fancy
+    so_fancy.or_is_it()
+    assert not so_fancy.fancy
\ No newline at end of file