FROM node:18-alpine AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
ARG VITE_API_BASE_URL=/api
ARG VITE_APP_NAME=EnCoach
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
ENV VITE_APP_NAME=$VITE_APP_NAME
RUN npm run build

FROM nginx:stable-alpine
COPY --from=build /app/dist /usr/share/nginx/html
COPY <<'NGINX' /etc/nginx/conf.d/default.conf
server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    # Default nginx body cap is 1 MB which causes HTTP 413 on:
    #   * resource uploads (PDF / audio / video)
    #   * /api/exam/generation/submit (whole exam with generated questions)
    #   * /api/approval-requests (attachments)
    # Match Odoo's raised limit in odoo-docker.conf (128 MB).
    client_max_body_size 128m;
    client_body_buffer_size 1m;

    location /api/ {
        proxy_pass         http://backend:8069/api/;
        proxy_set_header   Host              $host;
        proxy_set_header   X-Real-IP         $remote_addr;
        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Proto $scheme;
        # OpenAI streaming calls + multi-module AI generation can run >3 min.
        # Keep read/send timeouts above Odoo's limit_time_real (900s).
        proxy_read_timeout 900s;
        proxy_send_timeout 900s;
        proxy_request_buffering off;
    }

    location / {
        try_files $uri $uri/ /index.html;
    }

    location ~* \.(?:css|js|svg|png|jpg|jpeg|gif|ico|woff2?|ttf|eot)$ {
        expires 30d;
        add_header Cache-Control "public, immutable";
    }
}
NGINX
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]