feat: adiciona configuração do Docker e arquivos de ambiente para suporte ao Dokku

.gitignore

@@ -0,0 +1,20 @@
+# Environment variables (NUNCA commitar!)
+.env
+.env.*
+env.*
+!.env.example
+!env.example
+
+# OS
+.DS_Store
+Thumbs.db
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Logs
+*.log

Dockerfile

@@ -0,0 +1,36 @@
+# Build stage
+FROM golang:1.24-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache git
+
+# Copy go mod and sum files from backend
+COPY backend/go.mod backend/go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy backend source code
+COPY backend/ .
+
+# Build the Go app
+RUN CGO_ENABLED=0 GOOS=linux go build -o api cmd/api/main.go
+
+# Production stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Install ca-certificates for HTTPS requests
+RUN apk --no-cache add ca-certificates
+
+# Copy the binary from builder
+COPY --from=builder /app/api .
+
+# Dokku sets PORT dynamically
+EXPOSE 5000
+
+# Run the binary
+CMD ["./api"]

Procfile

@@ -0,0 +1 @@
+web: ./api

backend/internal/config/config.go

@@ -28,7 +28,7 @@ func LoadConfig() *Config {
 
 	return &Config{
 		AppEnv:              getEnv("APP_ENV", "dev"),
-		AppPort:             getEnv("APP_PORT", "8080"),
+		AppPort:             getEnvWithFallback("PORT", "APP_PORT", "8080"),
 		DBDsn:               getEnv("DB_DSN", ""),
 		JwtAccessSecret:     getEnv("JWT_ACCESS_SECRET", "secret"),
 		JwtRefreshSecret:    getEnv("JWT_REFRESH_SECRET", "refresh_secret"),
@@ -53,3 +53,15 @@ func getEnvAsInt(key string, fallback int) int {
 	}
 	return fallback
 }
+
+// getEnvWithFallback tenta a primeira variável, depois a segunda, depois o fallback
+// Útil para compatibilidade com Dokku (PORT) e desenvolvimento local (APP_PORT)
+func getEnvWithFallback(primary, secondary, fallback string) string {
+	if value, ok := os.LookupEnv(primary); ok {
+		return value
+	}
+	if value, ok := os.LookupEnv(secondary); ok {
+		return value
+	}
+	return fallback
+}

frontend/package-lock.json

@@ -54,6 +54,7 @@
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -1300,6 +1301,7 @@
       "integrity": "sha512-LCCV0HdSZZZb34qifBsyWlUmok6W7ouER+oQIGBScS8EsZsQbrtFTUrDX4hOl+CS6p7cnNC4td+qrSVGSCTUfQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~6.21.0"
       }
@@ -1447,6 +1449,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.25",
         "caniuse-lite": "^1.0.30001754",
@@ -2220,6 +2223,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -2279,6 +2283,7 @@
       "resolved": "https://registry.npmjs.org/react/-/react-19.2.0.tgz",
       "integrity": "sha512-tmbWg6W31tQLeB5cdIBOicJDJRR2KzXsV7uSK9iNfLWQ5bIZfxuPEHp7M8wiHyHnn0DD1i7w3Zmin0FtkrwoCQ==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -2288,6 +2293,7 @@
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.0.tgz",
       "integrity": "sha512-UlbRu4cAiGaIewkPyiRGJk0imDN2T3JjieT6spoL2UeSf5od4n5LB/mQ4ejmxhCFT1tYe8IvaFulzynWovsEFQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "scheduler": "^0.27.0"
       },
@@ -2701,6 +2707,7 @@
       "integrity": "sha512-+Oxm7q9hDoLMyJOYfUYBuHQo+dkAloi33apOPP56pzj+vsdJDzr+j1NISE5pyaAuKL4A3UD34qd0lx5+kfKp2g==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
         "fdir": "^6.4.4",