refactor: switch from Upstash to self-hosted Redis via ioredis

Dockerfile

@@ -2,15 +2,18 @@
 FROM node:22-alpine AS builder
 WORKDIR /app
 
+# Install pnpm
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
 # Install dependencies
-COPY package*.json ./
+COPY package.json pnpm-lock.yaml ./
 COPY patches ./patches
-RUN npm ci --prefer-offline && npm cache clean --force
+RUN pnpm install --frozen-lockfile
 
 # Copy rest of the files and build
 COPY . .
 ENV NEXT_TELEMETRY_DISABLED=1 NODE_ENV=production
-RUN npm run build
+RUN pnpm run build
 
 # ---- Runner stage ----
 FROM node:22-alpine AS runner

docker-compose.local.yml

@@ -0,0 +1,21 @@
+services:
+  redis:
+    image: redis:7-alpine
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis-data:/data
+    restart: unless-stopped
+    command: redis-server --appendonly yes
+
+  app:
+    extends:
+      file: docker-compose.yml
+      service: app
+    environment:
+      - REDIS_URL=redis://redis:6379
+    depends_on:
+      - redis
+
+volumes:
+  redis-data:

docker-compose.yml

@@ -8,4 +8,3 @@ services:
     env_file:
       - .env
     restart: unless-stopped
-