feat: Add Dockerfile, .dockerignore, and CI workflow

Introduces a Dockerfile for building images, a .dockerignore file to exclude unnecessary files, and a GitHub Actions workflow for automatically building and pushing Docker images to GHCR upon release.

.dockerignore

@@ -0,0 +1,4 @@
+.idea
+.venv
+.git
+.gitignore

.github/workflows/create-image.yaml

@@ -0,0 +1,28 @@
+name: Deploy Images to GHCR
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and Push Docker Image
+        env:
+          IMAGE_NAME: ${{ format('ghcr.io/{0}', github.repository) }}
+        run: |
+          docker build . --tag "${IMAGE_NAME}:${{ github.ref_name }}"
+          docker push "${IMAGE_NAME}:${{ github.ref_name }}"
+          docker tag "${IMAGE_NAME}:${{ github.ref_name }}" "${IMAGE_NAME}:latest"
+          docker push "${IMAGE_NAME}:latest"

Dockerfile

@@ -1,4 +1,5 @@
 FROM python:3.14-alpine
+LABEL org.opencontainers.image.source="https://github.com/mrmohebi/docker-hoster"
 
 COPY requirements.txt /tmp/requirements.txt
 RUN pip3 install -r /tmp/requirements.txt