added rough mainnet implementation and added backup contact for email

Dockerfile

@@ -0,0 +1,41 @@
+# syntax=docker/dockerfile:1
+
+# 1) Install dependencies
+FROM --platform=linux/amd64 node:20-alpine AS deps
+WORKDIR /app
+ENV CI=true
+# Install system deps commonly needed by Next.js
+RUN apk add --no-cache libc6-compat
+COPY package.json package-lock.json ./
+RUN npm ci --legacy-peer-deps --no-audit --no-fund
+
+# 2) Build the app
+FROM --platform=linux/amd64 node:20-alpine AS builder
+WORKDIR /app
+ENV NEXT_TELEMETRY_DISABLED=1
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+# Allow passing public env vars at build time
+ARG NEXT_PUBLIC_NTFY_URL
+ARG NEXT_PUBLIC_SCHEDY_URL
+ENV NEXT_PUBLIC_NTFY_URL=${NEXT_PUBLIC_NTFY_URL:-/ntfy}
+ENV NEXT_PUBLIC_SCHEDY_URL=${NEXT_PUBLIC_SCHEDY_URL:-/schedy}
+RUN npm run build
+
+# 3) Run with standalone output
+FROM --platform=linux/amd64 node:20-alpine AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+# Create non-root user
+RUN adduser -D nextjs
+# Copy the minimal standalone output
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+COPY --from=builder /app/.next/BUILD_ID ./.next/BUILD_ID
+# Expose and run
+EXPOSE 3000
+ENV PORT=3000 HOST=0.0.0.0
+USER nextjs
+CMD ["node", "server.js"]