feat: add Layer 1 foundation - Docker, WhatsApp Core, API Gateway, Frontend setup

- docker-compose.yml with PostgreSQL, Redis, all services
- nginx/nginx.conf reverse proxy configuration
- services/whatsapp-core: package.json, tsconfig.json, Dockerfile
- services/api-gateway: requirements.txt, Dockerfile, app/__init__.py
- frontend: package.json, tsconfig.json, vite.config.ts, index.html, Dockerfile, nginx.conf

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/api-gateway/Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app ./app
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

services/api-gateway/app/__init__.py

@@ -0,0 +1 @@
+# WhatsApp Centralizado - API Gateway

services/api-gateway/requirements.txt

@@ -0,0 +1,12 @@
+fastapi==0.115.6
+uvicorn[standard]==0.34.0
+sqlalchemy==2.0.36
+alembic==1.14.0
+psycopg2-binary==2.9.10
+python-jose[cryptography]==3.3.0
+passlib[bcrypt]==1.7.4
+python-multipart==0.0.20
+pydantic==2.10.4
+pydantic-settings==2.7.1
+redis==5.2.1
+httpx==0.28.1

services/whatsapp-core/Dockerfile

@@ -0,0 +1,19 @@
+FROM node:20-alpine
+
+WORKDIR /app
+
+RUN apk add --no-cache python3 make g++
+
+COPY package*.json ./
+RUN npm ci
+
+COPY tsconfig.json ./
+COPY src ./src
+
+RUN npm run build
+
+RUN mkdir -p /app/sessions
+
+EXPOSE 3001
+
+CMD ["npm", "start"]

services/whatsapp-core/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "whatsapp-core",
+  "version": "1.0.0",
+  "description": "WhatsApp Core service using Baileys",
+  "main": "dist/index.js",
+  "scripts": {
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "dev": "ts-node-dev --respawn src/index.ts",
+    "lint": "eslint src/**/*.ts"
+  },
+  "dependencies": {
+    "@whiskeysockets/baileys": "^6.7.16",
+    "express": "^4.21.2",
+    "socket.io": "^4.8.1",
+    "ioredis": "^5.4.1",
+    "pino": "^9.6.0",
+    "qrcode": "^1.5.4",
+    "uuid": "^11.0.5"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.0",
+    "@types/node": "^22.10.7",
+    "@types/uuid": "^10.0.0",
+    "@types/qrcode": "^1.5.5",
+    "typescript": "^5.7.3",
+    "ts-node-dev": "^2.0.0"
+  }
+}

services/whatsapp-core/tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "commonjs",
+    "lib": ["ES2022"],
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["node_modules", "dist"]
+}