Initial commit: JMon cross-platform monitoring system

- gRPC client-server metrics collection
- PeriodicTimer-based 5-second sampling
- Delta encoding with configurable thresholds
- Queue/retry mechanism for resilience
- ProcessId tracking for duplicate detection
- Server-side state reconstruction
- Native AOT compilation support
- Docker/Podman containerization
- PostgreSQL + TimescaleDB persistence layer

compose.yaml

@@ -0,0 +1,46 @@
+version: '3.8'
+
+services:
+  postgres:
+    image: docker.io/library/postgres:16
+    container_name: jmon-postgres
+    environment:
+      POSTGRES_PASSWORD: jmon_dev_password
+      POSTGRES_DB: jmon
+      POSTGRES_USER: jmon
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - /home/jgetrost/source/repos/jmon/init-db.sql:/docker-entrypoint-initdb.d/01-init.sql:Z
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U jmon"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - jmon-net
+
+  server:
+    build:
+      context: .
+      dockerfile: JMonServer/Containerfile
+    container_name: jmon-server
+    depends_on:
+      postgres:
+        condition: service_started
+    environment:
+      ConnectionStrings__DefaultConnection: "Host=postgres;Port=5432;Database=jmon;Username=jmon;Password=jmon_dev_password"
+      ASPNETCORE_URLS: "https://+:5001"
+      ASPNETCORE_ENVIRONMENT: Development
+    ports:
+      - "5001:5001"
+    networks:
+      - jmon-net
+
+volumes:
+  postgres_data:
+
+networks:
+  jmon-net:
+    driver: bridge