FROM node:22-alpine AS build

WORKDIR /app

COPY package*.json ./

RUN npm install

COPY . .

ARG PUBLIC_URL=/nachsuche/
ENV PUBLIC_URL=$PUBLIC_URL
ARG REACT_APP_API_URL=
ENV REACT_APP_API_URL=$REACT_APP_API_URL
# Limit Node.js heap during build to prevent OOM kills
ENV NODE_OPTIONS="--max_old_space_size=512"

RUN npm run build

FROM nginx:alpine

RUN apk add --no-cache wget

# Copy custom nginx configuration (cache headers, gzip, security headers)
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Copy built app
COPY --from=build /app/build /usr/share/nginx/html

EXPOSE 80

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