new node.js impl., removed old stuff

email-worker-nodejs/Dockerfile

@@ -0,0 +1,34 @@
+# ── Build stage ──────────────────────────────────────────────────
+FROM node:20-slim AS builder
+
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+COPY tsconfig.json ./
+COPY src/ ./src/
+
+RUN npx tsc
+
+# ── Run stage ────────────────────────────────────────────────────
+FROM node:20-slim
+
+WORKDIR /app
+
+# Only production deps
+COPY package.json package-lock.json* ./
+RUN npm ci --omit=dev && npm cache clean --force
+
+# Compiled JS from build stage
+COPY --from=builder /app/dist ./dist
+
+# Config directory (mount domains.txt here)
+RUN mkdir -p /etc/email-worker /var/log/email-worker
+
+EXPOSE 8000 8080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD node -e "fetch('http://localhost:8080').then(r => r.ok ? process.exit(0) : process.exit(1)).catch(() => process.exit(1))"
+
+CMD ["node", "dist/main.js"]