diff --git a/apps/api/src/core/events/database.py b/apps/api/src/core/events/database.py
index 984c23c4..f7b2d2d8 100644
--- a/apps/api/src/core/events/database.py
+++ b/apps/api/src/core/events/database.py
@@ -2,27 +2,47 @@ import logging
 from fastapi import FastAPI
 import motor.motor_asyncio
 from sqlmodel import Field, SQLModel, Session, create_engine
-from src.rewrite.services.db import users
 
-engine = create_engine('postgresql://learnhouse:learnhouse@db:5432/learnhouse', echo=True)
+from src.rewrite.services.db import (
+    user_organizations,
+    users,
+    roles,
+    organization_settings,
+    organizations,
+    courses,
+    course_authors,
+    chapters,
+    activities,
+    course_chapters,
+    chapter_activities,
+    blocks,
+    collections,
+)
+
+engine = create_engine(
+    "postgresql://learnhouse:learnhouse@db:5432/learnhouse", echo=True
+)
 SQLModel.metadata.create_all(engine)
 
+
 async def connect_to_db(app: FastAPI):
     app.db_engine = engine  # type: ignore
     logging.info("LearnHouse database has been started.")
 
-    
     SQLModel.metadata.create_all(engine)
 
-    # mongodb 
+    # mongodb
     app.mongodb_client = motor.motor_asyncio.AsyncIOMotorClient(  # type: ignore
-            app.learnhouse_config.database_config.mongodb_connection_string)  # type: ignore
-    app.db = app.mongodb_client["learnhouse"] # type: ignore
+        app.learnhouse_config.database_config.mongodb_connection_string  # type: ignore
+    )  # type: ignore
+    app.db = app.mongodb_client["learnhouse"]  # type: ignore
+
 
 def get_db_session():
     with Session(engine) as session:
         yield session
 
+
 async def close_database(app: FastAPI):
     app.mongodb_client.close()  # type: ignore
     logging.info("LearnHouse has been shut down.")
diff --git a/apps/api/src/rewrite/services/db/activities.py b/apps/api/src/rewrite/services/db/activities.py
new file mode 100644
index 00000000..ca05a622
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/activities.py
@@ -0,0 +1,58 @@
+from typing import Literal, Optional
+from sqlalchemy import JSON, Column
+from sqlmodel import Field, Session, SQLModel, create_engine, select
+from enum import Enum
+
+
+class ActivityTypeEnum(str, Enum):
+    VIDEO = "VIDEO"
+    DOCUMENT = "DOCUMENT"
+    DYNAMIC = "DYNAMIC"
+    ASSESSMENT = "ASSESSMENT"
+    CUSTOM = "CUSTOM"
+
+
+class ActivitySubTypeEnum(str, Enum):
+    # Dynamic
+    DYNAMIC_PAGE = "DYNAMIC_PAGE"
+    # Video
+    VIDEO_YOUTUBE = "VIDEO_YOUTUBE"
+    VIDEO_HOSTED = "VIDEO_HOSTED"
+    # Document
+    DOCUMENT_PDF = "DOCUMENT_PDF"
+    DOCUMENT_DOC = "DOCUMENT_GDOC"
+    # Assessment
+    ASSESSMENT_QUIZ = "ASSESSMENT_QUIZ"
+    # Custom
+    CUSTOM = "CUSTOM"
+
+
+class ActivityBase(SQLModel):
+    name: str
+    activity_type: ActivityTypeEnum = ActivityTypeEnum.CUSTOM
+    activity_sub_type: ActivitySubTypeEnum = ActivitySubTypeEnum.CUSTOM
+    slug: str
+    content: dict = Field(default={}, sa_column=Column(JSON))
+    published_version: int
+    version: int
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    course_id: int = Field(default=None, foreign_key="course.id")
+
+
+class Activity(ActivityBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    activity_uuid: str
+    creation_date: str
+    update_date: str
+
+
+class ActivityCreate(ActivityBase):
+    pass
+
+
+class ActivityRead(ActivityBase):
+    id: int
+    activity_uuid: str
+    creation_date: str
+    update_date: str
+    pass
diff --git a/apps/api/src/rewrite/services/db/blocks.py b/apps/api/src/rewrite/services/db/blocks.py
new file mode 100644
index 00000000..24f67c2d
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/blocks.py
@@ -0,0 +1,44 @@
+from typing import Optional
+from sqlalchemy import JSON, Column
+from sqlmodel import Field, SQLModel
+from enum import Enum
+
+
+class BlockTypeEnum(str, Enum):
+    QUIZ_BLOCK = "QUIZ_BLOCK"
+    VIDEO_BLOCK = "VIDEO_BLOCK"
+    DOCUMENT_PDF_BLOCK = "DOCUMENT_PDF_BLOCK"
+    IMAGE_BLOCK = "IMAGE_BLOCK"
+    CUSTOM = "CUSTOM"
+
+
+class BlockBase(SQLModel):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    block_type: BlockTypeEnum = BlockTypeEnum.CUSTOM
+    content: dict = Field(default={}, sa_column=Column(JSON))
+
+
+class Block(BlockBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    content: dict = Field(default={}, sa_column=Column(JSON))
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    course_id: int = Field(default=None, foreign_key="course.id")
+    chapter_id: int = Field(default=None, foreign_key="chapter.id")
+    activity_id: int = Field(default=None, foreign_key="activity.id")
+    block_uuid: str
+    creation_date: str
+    update_date: str
+
+class BlockCreate(BlockBase):
+    pass
+
+class BlockRead(BlockBase):
+    id: int
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    course_id: int = Field(default=None, foreign_key="course.id")
+    chapter_id: int = Field(default=None, foreign_key="chapter.id")
+    activity_id: int = Field(default=None, foreign_key="activity.id")
+    block_uuid: str
+    creation_date: str
+    update_date: str
+    pass
\ No newline at end of file
diff --git a/apps/api/src/rewrite/services/db/chapter_activities.py b/apps/api/src/rewrite/services/db/chapter_activities.py
new file mode 100644
index 00000000..73d20598
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/chapter_activities.py
@@ -0,0 +1,13 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+from enum import Enum
+
+class ChapterActivity(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    order: int
+    chapter_id: int = Field(default=None, foreign_key="chapter.id")
+    activity_id: int = Field(default=None, foreign_key="activity.id")
+    course_id : int = Field(default=None, foreign_key="course.id")
+    org_id : int = Field(default=None, foreign_key="organization.id")
+    creation_date: str
+    update_date: str
\ No newline at end of file
diff --git a/apps/api/src/rewrite/services/db/chapters.py b/apps/api/src/rewrite/services/db/chapters.py
new file mode 100644
index 00000000..c7490c4a
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/chapters.py
@@ -0,0 +1,30 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+
+
+class ChapterBase(SQLModel):
+    name: str
+    description: Optional[str] = ""
+    thumbnail_image: Optional[str] = ""
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    creation_date: str
+    update_date: str
+
+
+class Chapter(ChapterBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    chapter_uuid: str
+    creation_date: str
+    update_date: str
+
+
+class ChapterCreate(ChapterBase):
+    pass
+
+
+class ChapterRead(ChapterBase):
+    id: int
+    chapter_uuid: str
+    creation_date: str
+    update_date: str
+    pass
diff --git a/apps/api/src/rewrite/services/db/collections.py b/apps/api/src/rewrite/services/db/collections.py
new file mode 100644
index 00000000..63960f70
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/collections.py
@@ -0,0 +1,3 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+from enum import Enum
\ No newline at end of file
diff --git a/apps/api/src/rewrite/services/db/course_authors.py b/apps/api/src/rewrite/services/db/course_authors.py
new file mode 100644
index 00000000..1edaa47f
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/course_authors.py
@@ -0,0 +1,18 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+from enum import Enum
+
+
+class CourseAuthorshipEnum(str, Enum):
+    CREATOR = "CREATOR"
+    MAINTAINER = "MAINTAINER"
+    REPORTER = "REPORTER"
+
+
+class CourseAuthor(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    course_id: int = Field(default=None, foreign_key="course.id")
+    user_id: int = Field(default=None, foreign_key="user.id")
+    authorship: CourseAuthorshipEnum = CourseAuthorshipEnum.CREATOR
+    creation_date: str
+    update_date: str
diff --git a/apps/api/src/rewrite/services/db/course_chapters.py b/apps/api/src/rewrite/services/db/course_chapters.py
new file mode 100644
index 00000000..600eef0c
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/course_chapters.py
@@ -0,0 +1,12 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+from enum import Enum 
+
+class CourseChapter(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    order: int
+    course_id: int = Field(default=None, foreign_key="course.id")
+    chapter_id: int = Field(default=None, foreign_key="chapter.id")
+    org_id : int = Field(default=None, foreign_key="organization.id")
+    creation_date: str
+    update_date: str
\ No newline at end of file
diff --git a/apps/api/src/rewrite/services/db/courses.py b/apps/api/src/rewrite/services/db/courses.py
new file mode 100644
index 00000000..faca51b0
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/courses.py
@@ -0,0 +1,29 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+
+class CourseBase(SQLModel):
+    name: str
+    description: Optional[str] = ""
+    about: Optional[str] = ""
+    course_slug: str
+    learnings: Optional[str] = ""
+    tags: Optional[str] = ""
+    thumbnail_image: Optional[str] = ""
+    public: bool
+
+class Course(CourseBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    course_uuid: str
+    creation_date: str
+    update_date: str
+    
+class CourseCreate(CourseBase):
+    pass
+
+class CourseRead(CourseBase):
+    id: int
+    course_uuid: str
+    creation_date: str
+    update_date: str
+    pass
\ No newline at end of file
diff --git a/apps/api/src/rewrite/services/db/organization_settings.py b/apps/api/src/rewrite/services/db/organization_settings.py
new file mode 100644
index 00000000..4c464b5d
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/organization_settings.py
@@ -0,0 +1,17 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+from enum import Enum
+
+class HeaderTypeEnum(str, Enum):
+    LOGO_MENU_SETTINGS = "LOGO_MENU_SETTINGS"
+    MENU_LOGO_SETTINGS = "MENU_LOGO_SETTINGS"
+
+
+class OrganizationSettings(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    logo_image: Optional[str] = ""
+    header_type: HeaderTypeEnum = HeaderTypeEnum.LOGO_MENU_SETTINGS
+    color: str = ""
+    creation_date: str
+    update_date: str
diff --git a/apps/api/src/rewrite/services/db/organizations.py b/apps/api/src/rewrite/services/db/organizations.py
new file mode 100644
index 00000000..3cd147e6
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/organizations.py
@@ -0,0 +1,26 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+
+
+class OrganizationBase(SQLModel):
+    name: str
+    description: Optional[str] = ""
+    slug: str
+    email: str
+    logo_image: Optional[str] = ""
+
+
+class Organization(OrganizationBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    org_uuid: str
+    creation_date: str
+    update_date: str
+
+
+class OrganizationCreate(OrganizationBase):
+    pass
+
+
+class OrganizationRead(OrganizationBase):
+    id: int
+    org_uuid: str
diff --git a/apps/api/src/rewrite/services/db/roles.py b/apps/api/src/rewrite/services/db/roles.py
new file mode 100644
index 00000000..794a332e
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/roles.py
@@ -0,0 +1,30 @@
+from enum import Enum
+from typing import Optional
+from sqlalchemy import JSON, Column
+from sqlmodel import Field, SQLModel
+
+
+class RoleTypeEnum(str, Enum):
+    ORGANIZATION = "ORGANIZATION"
+    ORGANIZATION_API_TOKEN = "ORGANIZATION_API_TOKEN"
+    DEFAULT = "DEFAULT"
+
+
+class RoleBase(SQLModel):
+    name: str
+    description: Optional[str] = ""
+    rights: dict = Field(default={}, sa_column=Column(JSON))
+
+
+class Role(RoleBase, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    role_type: RoleTypeEnum = RoleTypeEnum.DEFAULT
+    role_uuid: str
+    creation_date: str
+    update_date: str
+
+
+class RoleCreate(RoleBase):
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    pass
diff --git a/apps/api/src/rewrite/services/db/user_organizations.py b/apps/api/src/rewrite/services/db/user_organizations.py
new file mode 100644
index 00000000..bb70a5fd
--- /dev/null
+++ b/apps/api/src/rewrite/services/db/user_organizations.py
@@ -0,0 +1,11 @@
+from typing import Optional
+from sqlmodel import Field, SQLModel
+
+
+class UserOrganization(SQLModel, table=True):
+    id: Optional[int] = Field(default=None, primary_key=True)
+    user_id: int = Field(default=None, foreign_key="user.id")
+    org_id: int = Field(default=None, foreign_key="organization.id")
+    role_id: int = Field(default=None, foreign_key="role.id")
+    creation_date: str
+    update_date: str
diff --git a/apps/api/src/rewrite/services/db/users.py b/apps/api/src/rewrite/services/db/users.py
index a02d6c19..acfa3c03 100644
--- a/apps/api/src/rewrite/services/db/users.py
+++ b/apps/api/src/rewrite/services/db/users.py
@@ -1,5 +1,5 @@
 from typing import Optional
-from sqlmodel import Field, Session, SQLModel, create_engine, select
+from sqlmodel import Field, SQLModel
 
 
 class UserBase(SQLModel):
diff --git a/apps/api/src/rewrite/services/users/users.py b/apps/api/src/rewrite/services/users/users.py
index 5bb69ecb..c5e602e2 100644
--- a/apps/api/src/rewrite/services/users/users.py
+++ b/apps/api/src/rewrite/services/users/users.py
@@ -1,6 +1,6 @@
 from datetime import datetime
 from uuid import uuid4
-from fastapi import Depends, Request
+from fastapi import Request
 from sqlmodel import Session
 from src.rewrite.services.db.users import User, UserCreate
 from src.security.security import security_hash_password