diff --git a/.github/workflows/docker_image.yml b/.github/workflows/docker_image.yml
new file mode 100644
index 00000000..fe5b6464
--- /dev/null
+++ b/.github/workflows/docker_image.yml
@@ -0,0 +1,24 @@
+name: Build Docker Image
+
+on:
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          push: false
+          context: .
+          file: Dockerfile
+          tags: "${{ github.sha }}"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish_to_pypi.yml
similarity index 100%
rename from .github/workflows/publish.yml
rename to .github/workflows/publish_to_pypi.yml
diff --git a/pyproject.toml b/pyproject.toml
index 641f9c30..a6792cb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dev = [
 ]
 
 [project.scripts]
-gitingest = "gitingest.cli:main"
+gitingest = "gitingest.__main__:main"
 
 [project.urls]
 homepage = "https://gitingest.com"
diff --git a/src/gitingest/cli.py b/src/gitingest/__main__.py
similarity index 100%
rename from src/gitingest/cli.py
rename to src/gitingest/__main__.py
diff --git a/tests/test_cli.py b/tests/test_cli.py
index f9bbde85..bc08eb15 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -8,7 +8,7 @@
 import pytest
 from click.testing import CliRunner, Result
 
-from gitingest.cli import main
+from gitingest.__main__ import main
 from gitingest.config import MAX_FILE_SIZE, OUTPUT_FILE_NAME
 
 
@@ -72,8 +72,8 @@ def test_cli_with_stdout_output() -> None:
         # ─── core expectations (stdout) ────────────────────────────────────-
         assert result.exit_code == 0, f"CLI exited with code {result.exit_code}, stderr: {result.stderr}"
         assert "---" in result.stdout, "Expected file separator '---' not found in STDOUT"
-        assert "src/gitingest/cli.py" in result.stdout, (
-            "Expected content (e.g., src/gitingest/cli.py) not found in STDOUT"
+        assert "src/gitingest/__main__.py" in result.stdout, (
+            "Expected content (e.g., src/gitingest/__main__.py) not found in STDOUT"
         )
         assert not output_file.exists(), f"Output file {output_file} was unexpectedly created."