Implementing run docker

.dockerignore

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+# Git
+.git
+.gitignore
+README.md
+
+# Logs
+log/*
+tmp/*
+*.log
+
+# Runtime data
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# node_modules
+node_modules
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Editor directories and files
+.vscode
+.idea
+
+# Docker
+Dockerfile
+docker-compose*.yml
+.dockerignore
+
+# Rails specific
+public/assets
+public/packs
+public/packs-test
+storage/*
+.byebug_history
+
+# Bundle config
+.bundle
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# Rails cache
+tmp/cache 

.env

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+# Configurações do Banco de Dados PostgreSQL
+POSTGRES_DB=northwind
+POSTGRES_USER=admin_panel_user
+POSTGRES_PASSWORD=admin_panel_password
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+
+# URL completa do banco (alternativa)
+DATABASE_URL=postgresql://admin_panel_user:admin_panel_password@postgres:5432/northwind
+
+# Configurações do Rails
+RAILS_ENV=development
+RAILS_SERVE_STATIC_FILES=true
+RAILS_LOG_TO_STDOUT=true
+
+# Configurações do pgAdmin
+PGADMIN_DEFAULT_EMAIL=admin@admin.com
+PGADMIN_DEFAULT_PASSWORD=admin_panel_password
+
+# Portas do host (para mapeamento Docker)
+RAILS_PORT=3030
+POSTGRES_EXTERNAL_PORT=3031
+PGADMIN_EXTERNAL_PORT=3032
+
+# Configurações do Forest Admin
+FOREST_ENV_SECRET=development_secret_key_change_in_production
+FOREST_AUTH_SECRET=development_auth_key_change_in_production
+DATABASE_REJECT_UNAUTHORIZED=false
+
+# Chave secreta do Rails
+SECRET_KEY_BASE=development_secret_key_base_at_least_30_characters_long_for_security