Dockerfile

# Multi-stage Dockerfile for CoMapeo Alerts Commander
# Stage 1: Build the React application
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies (including dev dependencies needed for build)
RUN npm ci

# Copy source code
COPY . .

# Accept build arguments for Vite environment variables
ARG VITE_MAPBOX_TOKEN
# Make build args available as environment variables during build
# Vite will pick these up and bake them into the static bundle
ENV VITE_MAPBOX_TOKEN=$VITE_MAPBOX_TOKEN

# Build the application
# The build command runs: vite build
RUN npm run build

# Stage 2: Serve the application with nginx
FROM nginx:alpine

# Copy built assets from builder stage
COPY --from=builder /app/dist /usr/share/nginx/html

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

# Expose port 80
EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -q -O /dev/null http://localhost/ || exit 1

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