fix: Docker build and runtime fixes

- Fix duplicate 'signature' variable in webhooks.ts
- Add Prisma binary target for Alpine Linux
- Fix tsconfig path alias (@/* -> ./src/*)
- Add missing next-themes dependency
- Add build args for NEXT_PUBLIC_* env vars
- Fix SSR issues with zustand and providers
- Add providers-wrapper with dynamic ssr:false import
- Add SSL certs and public dir for nginx
- Update Dockerfiles for proper Prisma engine handling

frontend/Dockerfile

@@ -4,7 +4,7 @@ FROM node:20-alpine AS builder
 WORKDIR /app
 
 # Install build tools for native modules
-RUN apk add --no-cache python3 make g++
+RUN apk add --no-cache python3 make g++ libusb-dev eudev-dev linux-headers
 
 # Copy root package files for workspace install
 COPY package*.json ./
@@ -16,9 +16,16 @@ RUN npm install --legacy-peer-deps
 # Copy frontend source
 COPY frontend/ ./frontend/
 
+# Build args for Next.js
+ARG NEXT_PUBLIC_API_URL
+ARG NEXT_PUBLIC_SOLANA_NETWORK
+ARG NEXT_PUBLIC_SOLANA_RPC_URL
+
 # Build Next.js app
 WORKDIR /app/frontend
-RUN npm run build
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV NODE_OPTIONS="--max-old-space-size=4096"
+RUN npx next build --webpack
 
 # Production stage
 FROM node:20-alpine