97 lines
2.7 KiB
Docker
97 lines
2.7 KiB
Docker
# Containerfile for MOTM (Man of the Match) Application
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# Flask-based voting system for hockey matches
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# Stage 1: Build stage
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FROM python:3.11-slim as builder
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# Set environment variables
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ENV PYTHONDONTWRITEBYTECODE=1 \
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PYTHONUNBUFFERED=1 \
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PIP_NO_CACHE_DIR=1 \
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PIP_DISABLE_PIP_VERSION_CHECK=1
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# Install system dependencies for building Python packages
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RUN apt-get update && apt-get install -y \
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build-essential \
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libpq-dev \
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default-libmysqlclient-dev \
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pkg-config \
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&& rm -rf /var/lib/apt/lists/*
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# Create and activate virtual environment
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RUN python -m venv /opt/venv
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ENV PATH="/opt/venv/bin:$PATH"
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# Copy requirements and install Python dependencies
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COPY requirements.txt ./
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RUN pip install --upgrade pip && \
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pip install -r requirements.txt
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# Stage 2: Runtime stage
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FROM python:3.11-slim
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# Set environment variables
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ENV PYTHONDONTWRITEBYTECODE=1 \
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PYTHONUNBUFFERED=1 \
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PATH="/opt/venv/bin:$PATH" \
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DATABASE_TYPE=postgresql \
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FLASK_ENV=production \
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FLASK_APP=main.py \
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FLASK_RUN_HOST=0.0.0.0 \
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FLASK_RUN_PORT=5000
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# Install runtime dependencies
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RUN apt-get update && apt-get install -y \
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libpq5 \
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default-mysql-client \
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curl \
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&& rm -rf /var/lib/apt/lists/*
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# Copy virtual environment from builder stage
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COPY --from=builder /opt/venv /opt/venv
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# Create non-root user
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RUN groupadd -r appuser && useradd -r -g appuser appuser
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# Create application directory
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WORKDIR /app
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# Copy application code
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COPY --chown=appuser:appuser . .
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# Create directories for data and logs
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RUN mkdir -p /app/data /app/logs && \
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chown -R appuser:appuser /app/data /app/logs
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# Create a startup script for better initialization
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RUN echo '#!/bin/bash\n\
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# Wait for database to be ready\n\
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echo "Waiting for database connection..."\n\
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while ! python -c "import psycopg2; psycopg2.connect(host=\"$DB_HOST\", port=\"$DB_PORT\", user=\"$DB_USER\", password=\"$DB_PASSWORD\", dbname=\"$DB_NAME\")" 2>/dev/null; do\n\
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echo "Database not ready, waiting..."\n\
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sleep 2\n\
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done\n\
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echo "Database connection established!"\n\
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\n\
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# Initialize database if needed\n\
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python -c "from db_setup import db_config_manager; db_config_manager.load_config(); db_config_manager._update_environment_variables()"\n\
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\n\
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# Start the application with gunicorn\n\
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echo "Starting application with gunicorn..."\n\
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exec gunicorn --config gunicorn.conf.py main:app' > /app/start.sh && \
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chmod +x /app/start.sh && \
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chown appuser:appuser /app/start.sh
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# Switch to non-root user
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USER appuser
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# Expose port
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EXPOSE 5000
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:5000/ || exit 1
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# Default command
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CMD ["/app/start.sh"]
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