diff --git a/.github/workflows/ci-lambda-deps-builder.yml b/.github/workflows/ci-lambda-deps-builder.yml
new file mode 100644
index 0000000..445282b
--- /dev/null
+++ b/.github/workflows/ci-lambda-deps-builder.yml
@@ -0,0 +1,73 @@
+name: CI Lambda Deps Builder
+
+on:
+  push:
+    branches:
+      - '*'
+    paths:
+      - 'lambda_deps_builder/**'
+      - '.github/workflows/*lambda-deps*'
+  pull_request:
+    branches:
+      - main
+      - master
+    paths:
+      - 'lambda_deps_builder/**'
+      - '.github/workflows/*lambda-deps*'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Test on Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.11", "3.12", "3.13"]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies and package
+        run: |
+          python -m pip install --upgrade pip
+          pip install ./lambda_deps_builder
+          pip install pytest boto3
+
+      - name: Run unit & synth tests
+        run: |
+          pytest lambda_deps_builder/tests -v
+
+  build-check:
+    name: Verify package build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: "pip"
+
+      - name: Install build tooling
+        run: |
+          python -m pip install --upgrade pip
+          pip install build twine
+
+      - name: Build wheel and sdist
+        run: |
+          python -m build --sdist --wheel lambda_deps_builder --outdir dist
+
+      - name: Check distributions with twine
+        run: |
+          twine check dist/*
diff --git a/.github/workflows/release-lambda-deps-builder.yml b/.github/workflows/release-lambda-deps-builder.yml
new file mode 100644
index 0000000..dacee89
--- /dev/null
+++ b/.github/workflows/release-lambda-deps-builder.yml
@@ -0,0 +1,94 @@
+name: Release Lambda Deps Builder to PyPI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths:
+      - 'lambda_deps_builder/**'
+      - '.github/workflows/release-lambda-deps-builder.yml'
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      dry-run:
+        description: "Build everything but skip the publish step"
+        type: boolean
+        default: false
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  build:
+    name: Build distribution packages
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: "pip"
+
+      - name: Install build tooling
+        run: |
+          python -m pip install --upgrade pip
+          pip install build twine
+
+      - name: Build sdist and wheel
+        run: |
+          python -m build --sdist --wheel lambda_deps_builder --outdir dist
+
+      - name: Check package metadata
+        run: |
+          twine check dist/*
+
+      - name: Upload distribution artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+          retention-days: 7
+
+  publish:
+    name: Publish to PyPI
+    needs: build
+    runs-on: ubuntu-latest
+    environment: pypi
+    if: ${{ github.event_name != 'workflow_dispatch' || !inputs.dry-run }}
+    steps:
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+      - name: Check for PyPI API token
+        id: token-check
+        env:
+          TOKEN: ${{ secrets.PYPI_API_TOKEN }}
+        run: |
+          if [ -n "$TOKEN" ]; then
+            echo "has_token=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "has_token=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Publish to PyPI (Trusted Publishing OIDC)
+        if: steps.token-check.outputs.has_token == 'false'
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/
+          skip-existing: true
+
+      - name: Publish to PyPI (API Token fallback)
+        if: steps.token-check.outputs.has_token == 'true'
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          packages-dir: dist/
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          skip-existing: true
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..984fd1c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,20 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Distribution / packaging
+dist/
+build/
+*.egg-info/
+
+# Virtual environments
+.venv/
+env/
+venv/
+ENV/
+
+# Testing & CDK
+.pytest_cache/
+cdk.out/
+.cdk.staging/
diff --git a/lambda_deps_builder/.gitignore b/lambda_deps_builder/.gitignore
index 2696216..6fd74b2 100644
--- a/lambda_deps_builder/.gitignore
+++ b/lambda_deps_builder/.gitignore
@@ -5,3 +5,5 @@ __pycache__/
 .pytest_cache/
 cdk.out/
 .cdk.staging/
+dist/
+build/
diff --git a/lambda_deps_builder/lambda_deps_builder/__init__.py b/lambda_deps_builder/lambda_deps_builder/__init__.py
index 2b00307..ec25c0f 100644
--- a/lambda_deps_builder/lambda_deps_builder/__init__.py
+++ b/lambda_deps_builder/lambda_deps_builder/__init__.py
@@ -1,3 +1,4 @@
 from lambda_deps_builder.construct import LambdaDepsBuilder
 
-__all__ = ["LambdaDepsBuilder"]
+__version__ = "0.1.0"
+__all__ = ["LambdaDepsBuilder", "__version__"]
diff --git a/lambda_deps_builder/lambda_deps_builder/py.typed b/lambda_deps_builder/lambda_deps_builder/py.typed
new file mode 100644
index 0000000..1242d43
--- /dev/null
+++ b/lambda_deps_builder/lambda_deps_builder/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.
diff --git a/lambda_deps_builder/pyproject.toml b/lambda_deps_builder/pyproject.toml
index a21771d..76e15ad 100644
--- a/lambda_deps_builder/pyproject.toml
+++ b/lambda_deps_builder/pyproject.toml
@@ -2,14 +2,29 @@
 name = "lambda-deps-builder"
 version = "0.1.0"
 description = "CDK construct that builds Python Lambda dependencies inside Lambda — no local Docker."
-authors = ["POC <noreply@example.com>"]
+authors = ["Alexy Grabov <alexy.grabov@gmail.com>"]
+license = "Apache-2.0"
 readme = "README.md"
+repository = "https://github.com/CoreOxide/poc"
+homepage = "https://github.com/CoreOxide/poc/tree/main/lambda_deps_builder"
+keywords = ["aws", "cdk", "lambda", "dependencies", "dockerless", "layer"]
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: Apache Software License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Software Development :: Build Tools",
+    "Typing :: Typed",
+]
 packages = [{ include = "lambda_deps_builder" }]
 
 [tool.poetry.dependencies]
-python = "^3.11"
-aws-cdk-lib = "^2.150.0"
-constructs = "^10.0.0"
+python = ">=3.11,<4.0"
+aws-cdk-lib = ">=2.150.0"
+constructs = ">=10.0.0"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0.0"