115 lines
4.0 KiB
Docker
115 lines
4.0 KiB
Docker
# ============================================================================
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# Multi-Stage Dockerfile for Recticel Quality Application
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# Optimized for production deployment with minimal image size and security
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# ============================================================================
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# ============================================================================
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# Stage 1: Builder - Install dependencies and prepare application
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# ============================================================================
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FROM python:3.10-slim AS builder
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# Prevent Python from writing pyc files and buffering stdout/stderr
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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 build dependencies (will be discarded in final stage)
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RUN apt-get update && apt-get install -y --no-install-recommends \
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gcc \
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g++ \
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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 use a non-root user for security
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RUN useradd -m -u 1000 appuser
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# Set working directory
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WORKDIR /app
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# Copy and install Python dependencies
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# Copy only requirements first to leverage Docker layer caching
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COPY py_app/requirements.txt .
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# Install Python packages in a virtual environment for better isolation
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RUN python -m venv /opt/venv
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ENV PATH="/opt/venv/bin:$PATH"
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RUN pip install --upgrade pip setuptools wheel && \
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pip install --no-cache-dir -r requirements.txt
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# ============================================================================
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# Stage 2: Runtime - Minimal production image
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# ============================================================================
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FROM python:3.10-slim AS runtime
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# Set Python environment variables
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ENV PYTHONDONTWRITEBYTECODE=1 \
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PYTHONUNBUFFERED=1 \
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FLASK_APP=run.py \
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FLASK_ENV=production \
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PATH="/opt/venv/bin:$PATH"
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# Install only runtime dependencies (much smaller than build deps)
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RUN apt-get update && apt-get install -y --no-install-recommends \
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default-libmysqlclient-dev \
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mariadb-client \
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curl \
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ca-certificates \
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&& rm -rf /var/lib/apt/lists/* \
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&& apt-get clean
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# Create non-root user for running the application
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RUN useradd -m -u 1000 appuser
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# Set working directory
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WORKDIR /app
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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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# Copy application code
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COPY --chown=appuser:appuser py_app/ .
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# Copy entrypoint script
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COPY --chown=appuser:appuser docker-entrypoint.sh /docker-entrypoint.sh
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RUN chmod +x /docker-entrypoint.sh
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# Create necessary directories with proper ownership
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RUN mkdir -p /app/instance /srv/quality_recticel/logs && \
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chown -R appuser:appuser /app /srv/quality_recticel
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# Switch to non-root user for security
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USER appuser
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# Expose the application port
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EXPOSE 8781
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# Health check - verify the application is responding
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# Disabled by default in Dockerfile, enable in docker-compose if needed
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HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
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CMD curl -f http://localhost:8781/ || exit 1
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# Use the entrypoint script for initialization
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ENTRYPOINT ["/docker-entrypoint.sh"]
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# Default command: run gunicorn with optimized configuration
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# Can be overridden in docker-compose.yml or at runtime
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CMD ["gunicorn", "--config", "gunicorn.conf.py", "wsgi:application"]
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# ============================================================================
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# Build arguments for versioning and metadata
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# ============================================================================
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ARG BUILD_DATE
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ARG VERSION
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ARG VCS_REF
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# Labels for container metadata
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LABEL org.opencontainers.image.created="${BUILD_DATE}" \
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org.opencontainers.image.version="${VERSION}" \
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org.opencontainers.image.revision="${VCS_REF}" \
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org.opencontainers.image.title="Recticel Quality Application" \
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org.opencontainers.image.description="Production-ready Docker image for Trasabilitate quality management system" \
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org.opencontainers.image.authors="Quality Team" \
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maintainer="quality-team@recticel.com"
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