Add dockerfile and github action

.github/workflow/docker-image.yml

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+name: Build and Publish image to Docker Hub
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish_images:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: build image
+        run: |
+          docker build . -t arnaudcayrol/immich-selfie-timelapse:latest

Dockerfile

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+FROM python:3.10-slim
+
+# Install system dependencies required for OpenCV and dlib
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    cmake \
+    ffmpeg \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
+    libgl1-mesa-glx \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Download the shape predictor model
+RUN apt-get update && apt-get install -y wget && \
+    wget -nd https://github.com/JeffTrain/selfie/raw/master/shape_predictor_68_face_landmarks.dat && \
+    apt-get remove -y wget && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy the application code
+COPY image_processing.py .
+COPY main.py .
+COPY templates/ templates/.
+COPY compile_timelapse.py .
+COPY immich_api.py .
+
+# Create output directory
+RUN mkdir -p /app/output
+
+
+# Expose the port the app runs on
+EXPOSE 5000
+
+# Command to run the application
+CMD ["python", "main.py"]