# syntax=docker/dockerfile:1.4

# Build stage
FROM node:lts AS build

WORKDIR /app

# Copy package files
COPY package.json package-lock.json ./

# Install dependencies with legacy peer deps to handle @reach/router conflict
RUN npm ci --legacy-peer-deps

# Copy source code
COPY . .

# Build the Gatsby app
RUN npm run build

# Production stage with Nginx
FROM nginx:alpine AS production

# Create simple nginx config for Gatsby with client-side routing support
RUN echo 'server { listen 80; root /usr/share/nginx/html; index index.html; location / { try_files $uri $uri/ /index.html; } location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ { expires 1y; add_header Cache-Control "public, immutable"; } }' > /etc/nginx/conf.d/default.conf

# Copy built Gatsby files (builds to 'public' directory)
COPY --from=build /app/public /usr/share/nginx/html

# Expose port 80
EXPOSE 80

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