diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 27f17c6..f05c769 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Login to Gitea Registry
         uses: docker/login-action@v3
         with:
-          registry: git.schweitz.net
+          registry: git.schweitz.internal
           username: ${{ secrets.REGISTRY_USER }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
@@ -23,5 +23,5 @@ jobs:
           context: .
           push: true
           tags: |
-            git.schweitz.net/jpmschweitzer/core-api:latest
-            git.schweitz.net/jpmschweitzer/core-api:${{ github.ref_name }}
+            git.schweitz.internal/jpmschweitzer/core-api:latest
+            git.schweitz.internal/jpmschweitzer/core-api:${{ github.ref_name }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..2a8f1c6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2024-12-14
+
+### Added
+
+- Initial release of Core Code API service extracted from portainer-core
+- Infrastructure management endpoints for Portainer, NPM, and Uptime Kuma
+- Web scraping service with content extraction
+- DNS management endpoints
+- Health check endpoints with diagnostics
+- OIDC authentication support via Authentik
+- Ollama integration for embeddings
+- OpenAPI documentation (Swagger UI and ReDoc)
+- Docker containerization with CI/CD workflow
diff --git a/Dockerfile b/Dockerfile
index 9f16702..dbef23b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,7 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application
+COPY pyproject.toml .
 COPY src/ ./src/
 COPY static/ ./static/
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..c20332d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,10 @@
+[project]
+name = "core-api"
+version = "1.0.0"
+description = "Core Code API - Infrastructure management and tools API"
+readme = "README.md"
+requires-python = ">=3.12"
+license = {text = "MIT"}
+
+[tool.setuptools]
+packages = ["src"]
diff --git a/src/config.py b/src/config.py
index 88f6b33..220de31 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1,9 +1,25 @@
 """
 Global configuration for Core Code API
 """
+import tomllib
+from pathlib import Path
 from pydantic_settings import BaseSettings
 from functools import lru_cache
 
+
+def _get_version_from_pyproject() -> str:
+    """Load version from pyproject.toml"""
+    pyproject_path = Path(__file__).parent.parent / "pyproject.toml"
+    try:
+        with open(pyproject_path, "rb") as f:
+            data = tomllib.load(f)
+            return data.get("project", {}).get("version", "0.0.0")
+    except FileNotFoundError:
+        return "0.0.0"
+
+
+__version__ = _get_version_from_pyproject()
+
 # Import infrastructure credentials from gitignored module
 try:
     from src.credentials import (
@@ -35,7 +51,7 @@ class Settings(BaseSettings):
 
     # Application
     app_name: str = "Core Code API"
-    app_version: str = "1.0.0"
+    app_version: str = __version__
     debug: bool = False
 
     # Server