ADD: added dockerfile and docker-compose and k8s manifest

Dockerfile

@@ -0,0 +1,31 @@
+# ---- Build Stage ----
+FROM node:22-alpine AS builder
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci
+
+COPY prisma ./prisma
+RUN npx prisma generate
+
+COPY . .
+RUN npm run build
+
+# ---- Production Stage ----
+FROM node:22-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+COPY --from=builder /app/build ./build
+COPY prisma ./prisma
+
+EXPOSE 3000
+
+CMD ["npm", "run", "start"]