diff --git a/Dockerfile b/Dockerfile
index d1ec94d..63953d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,12 +13,13 @@ LABEL com.github.actions.name="organizational_contributors" \
     org.opencontainers.image.description="GitHub Action that given an organization or repository, produces information about the contributors sorted by the organisation."
 
 WORKDIR /action/workspace
-COPY requirements.txt */*.py /action/workspace/
+COPY requirements.txt LICENSE pyproject.toml README.md /action/workspace/ 
+COPY contributors /action/workspace/contributors
 
-RUN python3 -m pip install --no-cache-dir -r requirements.txt \
+RUN python3 -m pip install --no-cache-dir ./ \
     && apt-get -y update \
     && apt-get -y install --no-install-recommends git=1:2.39.5-0+deb12u1 \
-    && rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/* 
 
-CMD ["/action/workspace/contributors"]
+CMD ["contributors"]
 ENTRYPOINT ["python3", "-m"]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b1d8507
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,49 @@
+# https://packaging.python.org/en/latest/guides/writing-pyproject-toml/
+
+[build-system]
+requires = [ "setuptools>=60", "setuptools-scm>=8" ]
+
+[project]
+name = "contributors"
+
+description = "A package to get contributor information."
+keywords = [ "github" ]
+
+license = { file = "LICENSE" }
+authors = [
+  { name = "HCookie", email = "admin@eldrest.com" },
+]
+
+requires-python = ">=3.9"
+
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Intended Audience :: Developers",
+  "License :: OSI Approved :: Apache Software License",
+  "Operating System :: OS Independent",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+]
+
+dynamic = [ "version" ]
+
+dependencies = [
+  "github3.py==4.0.1",
+  "python-dotenv==1.0.1",
+  "requests==2.32.3",
+
+]
+
+optional-dependencies.all = [  ]
+
+optional-dependencies.tests = [ 
+    "black==24.10.0",
+    "flake8==7.1.1",
+    "mypy==1.11.2",
+    "mypy-extensions==1.0.0",
+    "pylint==3.3.1",
+    "pytest==8.3.3",
+    "pytest-cov==5.0.0",
+    "types-requests==2.32.0.20240914",
+]