# Use an official Python runtime as a parent image
FROM python:3.10-slim-buster

# Set the working directory in the container
WORKDIR /app

# Copy the requirements file into the container at /app
COPY requirements.txt .

# Install any needed packages specified in requirements.txt
# Also, download textblob corpora
RUN pip install --no-cache-dir -r requirements.txt \
    && python -m textblob.download_corpora

# --- UPDATED HUGGING FACE MODELS PRE-DOWNLOAD ---
# Sentiment Model (already correct)
RUN python -c "from transformers import pipeline; pipeline('sentiment-analysis', model='cardiffnlp/twitter-roberta-base-sentiment-latest')"

# Sarcasm/Irony Model (CORRECTED)
RUN python -c "from transformers import AutoTokenizer, AutoModelForSequenceClassification; tokenizer = AutoTokenizer.from_pretrained('cardiffnlp/twitter-roberta-base-irony'); model = AutoModelForSequenceClassification.from_pretrained('cardiffnlp/twitter-roberta-base-irony')"
# --- END OF UPDATED LINES ---

# Copy the entire project directory into the container at /app
COPY . .

# Expose the port that Streamlit runs on
EXPOSE 8501

# Define the command to run the Streamlit application
# Streamlit runs on 0.0.0.0 by default in Docker
CMD ["streamlit", "run", "frontend/app.py", "--server.port=8501", "--server.address=0.0.0.0"]