chore: add dockerfile and captain for deploy

Dockerfile

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+FROM node:18-alpine AS base
+
+# Install tzdata to support timezone settings
+RUN apk add --no-cache tzdata
+
+# Set the timezone to Asia/Tehran
+RUN cp /usr/share/zoneinfo/Asia/Tehran /etc/localtime && echo "Asia/Tehran" > /etc/timezone
+
+
+# Stage 2: Dependencies
+FROM base AS deps
+WORKDIR /temp-deps
+COPY package*.json ./
+RUN npm install
+
+# Stage 3: Build stage
+FROM base AS builder
+WORKDIR /build
+COPY . ./
+COPY --from=deps /temp-deps/node_modules ./node_modules
+RUN npm run build
+
+# Stage 4: Production image
+FROM base AS runner
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+WORKDIR /app
+
+# COPY --from=builder /build ./
+COPY --from=builder /build/.output ./.output
+COPY package*.json ./
+
+RUN chown -R appuser:appgroup /app
+
+USER appuser
+
+ENV NODE_ENV=production
+
+EXPOSE 3000
+
+# Start the Nuxt app
+# CMD ["npm", "start"]
+CMD ["node", ".output/server/index.mjs"] 
+
+
+
+
+
+