Dockerfile

FROM node:20-alpine AS builder
WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html

RUN sed -i 's/listen       80;/listen       7860;/' /etc/nginx/conf.d/default.conf && \
    sed -i 's/listen  \[::\]:80;/listen  \[::\]:7860;/' /etc/nginx/conf.d/default.conf

EXPOSE 7860
ENV PORT=7860

CMD ["nginx", "-g", "daemon off;"]