Initial commit: EifelDC - Discord-like Matrix chat platform

Includes server (Rust/Axum API proxy with voice management),
Tauri desktop client with Svelte UI, bot-sdk, Docker infra
(Synapse, PostgreSQL, Coturn, Nginx), and CI/CD pipeline.

infra/docker-compose.yml

@@ -0,0 +1,134 @@
+version: "3.8"
+
+services:
+  eifeldc:
+    build:
+      context: ..
+      dockerfile: Dockerfile
+    container_name: eifeldc-server
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      - EIFELDC_STATIC_DIR=/usr/share/eifeldc/client
+      - RUST_LOG=eifeldc_server=info,tower_http=info
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/api/current-user"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+    networks:
+      - eifeldc
+
+  synapse:
+    image: matrixdotorg/synapse:latest
+    container_name: eifeldc-synapse
+    restart: unless-stopped
+    volumes:
+      - synapse-data:/data
+      - ./synapse/log.config:/data/log.config:ro
+    environment:
+      - SYNAPSE_SERVER_NAME=${DOMAIN:-eifeldc.local}
+      - SYNAPSE_REPORT_STATS=no
+    ports:
+      - "8008:8008"
+      - "8448:8448"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8008/_matrix/client/versions"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+    networks:
+      - eifeldc
+
+  postgres:
+    image: postgres:16-alpine
+    container_name: eifeldc-postgres
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: synapse
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme_postgres_password}
+      POSTGRES_DB: synapse
+      POSTGRES_INITDB_ARGS: "--encoding=UTF8 --lc-collate=C --lc-ctype=C"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U synapse"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+    networks:
+      - eifeldc
+
+  coturn:
+    image: coturn/coturn:latest
+    container_name: eifeldc-coturn
+    restart: unless-stopped
+    network_mode: host
+    volumes:
+      - ./coturn/turnserver.conf:/etc/turnserver.conf:ro
+      - turn-certs:/etc/letsencrypt
+    command: ["-c", "/etc/turnserver.conf"]
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+
+  nginx:
+    image: nginx:alpine
+    container_name: eifeldc-nginx
+    restart: unless-stopped
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx/eifeldc.conf:/etc/nginx/conf.d/eifeldc.conf:ro
+      - nginx-certs:/etc/letsencrypt:ro
+    depends_on:
+      eifeldc:
+        condition: service_healthy
+      synapse:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:80/"]
+      interval: 15s
+      timeout: 5s
+      retries: 3
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"
+    networks:
+      - eifeldc
+
+volumes:
+  postgres-data:
+  turn-certs:
+  nginx-certs:
+  synapse-data:
+
+networks:
+  eifeldc:
+    driver: bridge