initial commit

Dockerfile

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+FROM python:3.11-slim
+
+# Install system dependencies required for pyheif and libheif
+RUN apt-get update && apt-get install -y \
+    libheif-dev \
+    libheif1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements file
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY main.py .
+
+# Expose port
+EXPOSE 5000
+
+# Set environment variables for Flask
+ENV FLASK_APP=main.py
+ENV FLASK_RUN_HOST=0.0.0.0
+
+# Run the application
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "4", "main:app"]

main.py

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+from flask import Flask, request, send_file
+from PIL import Image
+import pyheif
+import io
+
+app = Flask(__name__)
+
+@app.route('/convert-heic-to-jpg', methods=['POST'])
+def convert_heic_to_jpg():
+    if 'file' not in request.files:
+        return "No file part", 400
+    file = request.files['file']
+    if file.filename == '':
+        return "No selected file", 400
+    if file and file.filename.lower().endswith('.heic'):
+        try:
+            heif_file = pyheif.read(file.stream)
+            image = Image.frombytes(
+                heif_file.mode, 
+                heif_file.size, 
+                heif_file.data,
+                "raw",
+                heif_file.mode,
+                heif_file.stride,
+            )
+            output_buffer = io.BytesIO()
+            image.save(output_buffer, format="JPEG")
+            output_buffer.seek(0)
+            return send_file(output_buffer, mimetype='image/jpeg', as_attachment=True, download_name='converted.jpg')
+        except Exception as e:
+            return f"Error converting file: {e}", 500
+    return "Invalid file format", 400
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000, debug=False)

requirements.txt

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+Flask>=2.3.0
+Pillow>=10.0.0
+pyheif>=0.7.1
+gunicorn>=21.2.0