Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.yml

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+services:
+  postgres:
+    image: postgres:16-alpine
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-simplecrm}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-simplecrm_dev}
+      POSTGRES_DB: ${POSTGRES_DB:-simplecrm_development}
+      TZ: Europe/Rome
+      PGTZ: Europe/Rome
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    # Non esporre 5432 sull'host per evitare conflitti; web raggiunge postgres via rete Docker.
+    # Per accesso esterno: ports: ["5433:5432"]
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-simplecrm} -d ${POSTGRES_DB:-simplecrm_development}"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
+
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      target: development
+    restart: unless-stopped
+    command: bash -c "bundle check || bundle install && bin/rails tailwindcss:build && rm -f tmp/pids/server.pid && bin/rails db:prepare && bin/rails db:seed && bin/rails server -b 0.0.0.0 -p 3000"
+    environment:
+      RAILS_ENV: ${RAILS_ENV:-development}
+      DATABASE_HOST: postgres
+      DATABASE_PORT: 5432
+      POSTGRES_USER: ${POSTGRES_USER:-simplecrm}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-simplecrm_dev}
+      POSTGRES_DB: ${POSTGRES_DB:-simplecrm_development}
+      SECRET_KEY_BASE: ${SECRET_KEY_BASE}
+      MAILER_FROM: ${MAILER_FROM:-noreply@simplecrm.local}
+      APP_HOST: ${APP_HOST:-localhost}
+      APP_PORT: ${APP_PORT:-3000}
+      TZ: Europe/Rome
+    volumes:
+      - .:/rails
+      - bundle_cache:/usr/local/bundle
+    ports:
+      - "${APP_PORT:-3001}:3000"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    stdin_open: true
+    tty: true
+
+volumes:
+  postgres_data:
+  bundle_cache: