FROM node:22-alpine AS build

WORKDIR /app

# Copy package files first to leverage Docker cache
COPY package*.json ./

# Install dependencies (including devDependencies for build)
RUN npm install

# Copy the rest of the application source code
COPY . .

# Build the production assets
RUN npm run build

# Stage 2: Production stage
FROM nginx:1.27-alpine

# Copy the built assets from the build stage to Nginx's default HTML directory
COPY --from=build /app/dist /usr/share/nginx/html

# Copy our custom nginx configuration
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Expose port 80 to allow access to the web application
EXPOSE 80

# Nginx runs in the foreground by default when using its official image
CMD ["nginx", "-g", "daemon off;"]