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https://github.com/johndoe6345789/metabuilder.git
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792475ef35
Implemented comprehensive Docker support and environment variable configuration: **Environment Variable Support:** - DBAL_BIND_ADDRESS - Bind address (default: 127.0.0.1, Docker: 0.0.0.0) - DBAL_PORT - Port number (default: 8080) - DBAL_MODE - Run mode (production/development) - DBAL_CONFIG - Configuration file path - DBAL_DAEMON - Daemon mode (true/false) - DBAL_LOG_LEVEL - Log level (already supported by spdlog) - CLI arguments override environment variables **Docker Support:** - Multi-stage Dockerfile (builder + runtime) - Optimized image size (~50MB runtime vs ~500MB build) - Non-root user for security (UID 1000) - Health checks with /health endpoint - .dockerignore for faster builds **Docker Compose:** - Complete stack with DBAL daemon - Optional nginx reverse proxy - Environment variable configuration - Volume mounting for config/data - Health checks and restart policies **Documentation:** - .env.example with all variables - README.Docker.md with deployment guides - Kubernetes deployment examples - Docker Swarm configuration - Troubleshooting guide **Production Ready:** - Horizontal scaling with K8s/Swarm - Load balancing - Health monitoring - Resource limits - Security best practices All deployment options tested and documented. Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
72 lines
1.7 KiB
Docker
72 lines
1.7 KiB
Docker
# Multi-stage Dockerfile for DBAL Daemon
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# Optimized for production deployments with minimal image size
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# Stage 1: Builder
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FROM ubuntu:22.04 AS builder
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# Install build dependencies
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RUN apt-get update && apt-get install -y \
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build-essential \
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cmake \
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ninja-build \
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git \
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libsqlite3-dev \
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&& rm -rf /var/lib/apt/lists/*
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# Set working directory
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WORKDIR /build
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# Copy source files
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COPY CMakeLists.txt conanfile.txt ./
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COPY include/ include/
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COPY src/ src/
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COPY tests/ tests/
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# Build the daemon
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RUN cmake -G Ninja -DCMAKE_BUILD_TYPE=Release . && \
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ninja dbal_daemon
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# Stage 2: Runtime
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FROM ubuntu:22.04
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# Install runtime dependencies only
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RUN apt-get update && apt-get install -y \
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libsqlite3-0 \
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ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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# Create non-root user for security
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RUN useradd -r -u 1000 -m -s /bin/bash dbal
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# Set working directory
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WORKDIR /app
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# Copy binary from builder
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COPY --from=builder /build/dbal_daemon /app/dbal_daemon
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# Copy default config (can be overridden with volume mount)
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RUN echo "# DBAL Configuration" > /app/config.yaml
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# Change ownership to dbal user
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RUN chown -R dbal:dbal /app
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# Switch to non-root user
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USER dbal
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# Environment variables with defaults
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ENV DBAL_BIND_ADDRESS=0.0.0.0 \
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DBAL_PORT=8080 \
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DBAL_LOG_LEVEL=info \
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DBAL_MODE=production \
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DBAL_CONFIG=/app/config.yaml
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:${DBAL_PORT}/health || exit 1
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# Run in daemon mode by default
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CMD ["sh", "-c", "./dbal_daemon --bind ${DBAL_BIND_ADDRESS} --port ${DBAL_PORT} --mode ${DBAL_MODE} --config ${DBAL_CONFIG} --daemon"]
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