Dockerfile

# Multi-stage build for frontend with integrated nginx
FROM node:24-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the app
RUN npm run build

# Production stage with nginx
FROM nginx:alpine

# Install envsubst for runtime config injection
RUN apk add --no-cache gettext curl

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

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

# Copy runtime configuration script
COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

# Copy config injection script
COPY inject-config.sh /inject-config.sh
RUN chmod +x /inject-config.sh

# Expose port 80 (nginx will serve on port 80)
EXPOSE 80

# Use our custom entrypoint
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["nginx", "-g", "daemon off;"]