livrare lot 2

backend/services/data-layer/didiDatabase/Dockerfile

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+# PostgreSQL 15 Alpine - Rolling tag for security updates
+FROM postgres:15-alpine
+
+# Set environment variables
+ENV POSTGRES_DB=misinformation_db
+ENV POSTGRES_USER=postgres
+ENV POSTGRES_PASSWORD=postgres_dev_password_123
+ENV PGDATA=/var/lib/postgresql/data/pgdata
+
+# Install additional packages for production use
+RUN apk add --no-cache \
+    bash \
+    curl \
+    postgresql-client \
+    && rm -rf /var/cache/apk/*
+
+# Create necessary directories
+RUN mkdir -p /docker-entrypoint-initdb.d \
+    && mkdir -p /var/lib/postgresql/data \
+    && mkdir -p /scripts \
+    && mkdir -p /backups
+
+# Copy initialization script
+COPY init.sql /docker-entrypoint-initdb.d/01-init.sql
+
+# Copy health check script
+COPY health-check.sh /scripts/health-check.sh
+RUN chmod +x /scripts/health-check.sh
+
+# Set proper permissions
+RUN chown -R postgres:postgres /var/lib/postgresql/data \
+    && chown -R postgres:postgres /docker-entrypoint-initdb.d \
+    && chown -R postgres:postgres /scripts \
+    && chown -R postgres:postgres /backups
+
+# PostgreSQL configuration for production
+RUN echo "shared_preload_libraries = 'pg_stat_statements'" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "pg_stat_statements.track = all" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "log_statement = 'all'" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "log_duration = on" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "log_min_duration_statement = 100" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "shared_buffers = 256MB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "effective_cache_size = 1GB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "maintenance_work_mem = 64MB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "checkpoint_completion_target = 0.9" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "wal_buffers = 16MB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "default_statistics_target = 100" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "random_page_cost = 1.1" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "effective_io_concurrency = 200" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "work_mem = 4MB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "min_wal_size = 1GB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "max_wal_size = 4GB" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "max_worker_processes = 8" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "max_parallel_workers_per_gather = 4" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "max_parallel_workers = 8" >> /usr/local/share/postgresql/postgresql.conf.sample \
+    && echo "max_parallel_maintenance_workers = 4" >> /usr/local/share/postgresql/postgresql.conf.sample
+
+# Expose PostgreSQL port
+EXPOSE 5432
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
+    CMD /scripts/health-check.sh || exit 1
+
+# Use the postgres user
+USER postgres
+
+# Volume for data persistence
+VOLUME ["/var/lib/postgresql/data", "/backups"]
+
+# Start PostgreSQL
+CMD ["postgres"]