feat: Introduce Zitadel identity platform, remove worker, disable NATS, and update backend DB configuration.

compose.yml

@@ -4,37 +4,25 @@ services:
     ports:
       - "3000:3000"
     environment:
-      # In production, use a secure secret
       - SESSION_SECRET=dev_secret_key_12345
       - DATABASE_URL=sqlite:///app/data/notes.db
       - CORS_ALLOWED_ORIGINS=http://localhost:8080,http://localhost:5173
       - HOST=0.0.0.0
       - PORT=3000
+      - DB_MAX_CONNECTIONS=5
+      - DB_MIN_CONNECTIONS=1
+      - SECURE_COOKIE=true
     volumes:
       - ./data:/app/data
 
-  worker:
-    build: .
-    command: ["./notes-worker"]
-    environment:
-      - DATABASE_URL=sqlite:///app/data/notes.db
-      - BROKER_URL=nats://nats:4222
-      - QDRANT_URL=http://qdrant:6334
-      - EMBEDDING_PROVIDER=fastembed
-    depends_on:
-      - backend
-      - nats
-      - qdrant
-    volumes:
-      - ./data:/app/data
+  # nats:
+  #   image: nats:alpine
+  #   ports:
+  #     - "4222:4222"
+  #     - "6222:6222"
+  #     - "8222:8222"
+  #   restart: unless-stopped
 
-  nats:
-    image: nats:alpine
-    ports:
-      - "4222:4222"
-      - "6222:6222"
-      - "8222:8222"
-    restart: unless-stopped
   db:
     image: postgres:15-alpine
     environment:
@@ -42,9 +30,60 @@ services:
       POSTGRES_PASSWORD: password
       POSTGRES_DB: k_template_db
     ports:
-      - "5432:5432"
+      - "5439:5432"
     volumes:
       - db_data:/var/lib/postgresql/data
 
+  zitadel-db:
+    image: postgres:16-alpine
+    container_name: zitadel_db
+    environment:
+      POSTGRES_USER: zitadel
+      POSTGRES_PASSWORD: zitadel_password
+      POSTGRES_DB: zitadel
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U zitadel -d zitadel"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    volumes:
+      - zitadel_db_data:/var/lib/postgresql/data
+
+  zitadel:
+    image: ghcr.io/zitadel/zitadel:latest
+    container_name: zitadel_local
+    depends_on:
+      zitadel-db:
+        condition: service_healthy
+    ports:
+      - "8086:8080"
+    # USE start-from-init (Fixes the "relation does not exist" bug)
+    command: 'start-from-init --masterkey "MasterkeyNeedsToBeExactly32Bytes"'
+    environment:
+      # Database Connection
+      ZITADEL_DATABASE_POSTGRES_HOST: zitadel-db
+      ZITADEL_DATABASE_POSTGRES_PORT: 5432
+      ZITADEL_DATABASE_POSTGRES_DATABASE: zitadel
+      
+      # APPLICATION USER (Zitadel uses this to run)
+      ZITADEL_DATABASE_POSTGRES_USER_USERNAME: zitadel
+      ZITADEL_DATABASE_POSTGRES_USER_PASSWORD: zitadel_password
+      ZITADEL_DATABASE_POSTGRES_USER_SSL_MODE: disable
+      
+      # ADMIN USER (Zitadel uses this to create tables/migrations)
+      # We use 'zitadel' because it is the owner of the DB in your postgres container.
+      ZITADEL_DATABASE_POSTGRES_ADMIN_USERNAME: zitadel
+      ZITADEL_DATABASE_POSTGRES_ADMIN_PASSWORD: zitadel_password
+      ZITADEL_DATABASE_POSTGRES_ADMIN_SSL_MODE: disable
+
+      # General Config
+      ZITADEL_EXTERNALDOMAIN: localhost
+      ZITADEL_EXTERNALPORT: 8086
+      ZITADEL_EXTERNALSECURE: "false"
+      ZITADEL_TLS_ENABLED: "false"
+
+      ZITADEL_DEFAULTINSTANCE_FEATURES_LOGINV2_REQUIRED: "false"
+
 volumes:
   db_data:
+  zitadel_db_data: