feat: site institucional completo com design system - Implementa\u00e7\u00e3o do site institucional da Aggios com design system completo incluindo gradientes, tipografia, componentes e se\u00e7\u00f5es de recursos, pre\u00e7os e CTA

backend/Dockerfile

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+# Build stage
+FROM golang:1.23-alpine AS builder
+
+WORKDIR /build
+
+# Copy go.mod and go.sum from cmd/server
+COPY cmd/server/go.mod cmd/server/go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY cmd/server/main.go ./
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server .
+
+# Runtime image
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates tzdata
+
+WORKDIR /root/
+
+# Copy binary from builder
+COPY --from=builder /build/server .
+
+EXPOSE 8080
+
+CMD ["./server"]