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

docker-compose.yml

@@ -38,6 +38,11 @@ services:
       context: .
       dockerfile: backend/Dockerfile
     container_name: coop-backend
+    healthcheck:
+      test: ["CMD-SHELL", "wget -qO- http://localhost:3001/health || exit 1"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
     environment:
       - NODE_ENV=production
       - DATABASE_URL=postgresql://coop:coop_password@postgres:5432/coop_credits?schema=public
@@ -69,6 +74,10 @@ services:
     build:
       context: .
       dockerfile: frontend/Dockerfile
+      args:
+        - NEXT_PUBLIC_API_URL=http://localhost:3001
+        - NEXT_PUBLIC_SOLANA_NETWORK=devnet
+        - NEXT_PUBLIC_SOLANA_RPC_URL=https://api.devnet.solana.com
     container_name: coop-frontend
     environment:
       - NEXT_PUBLIC_API_URL=http://localhost:3001
@@ -92,8 +101,10 @@ services:
       - ./docker/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
       - ./docker/nginx/ssl:/etc/nginx/ssl:ro
     depends_on:
-      - frontend
-      - backend
+      frontend:
+        condition: service_started
+      backend:
+        condition: service_healthy
     networks:
       - coop-network
     restart: unless-stopped