Containerfile

# Build stage
FROM docker.io/library/node:22.18.0 AS base

WORKDIR /app

# Development stage
FROM base as dev
CMD ["sh", "-c", "npm install && npm run dev"]

FROM base as builder
# Copy build trigger file to force rebuilds when it changes
COPY .render-build-trigger /tmp/build-trigger

# Copy package files
COPY package*.json ./

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

# Copy source code
COPY . .

# Accept build arguments for Vite environment variables
ARG VITE_PRODUCT_NAME
ARG VITE_LOGTO_ENDPOINT
ARG VITE_LOGTO_APP_ID
ARG VITE_API_BASE_URL
ARG VITE_SIGNIN_REDIRECT_URI
ARG VITE_SIGNOUT_REDIRECT_URI

# Set environment variables for Vite build
ENV VITE_PRODUCT_NAME=$VITE_PRODUCT_NAME
ENV VITE_LOGTO_ENDPOINT=$VITE_LOGTO_ENDPOINT
ENV VITE_LOGTO_APP_ID=$VITE_LOGTO_APP_ID
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
ENV VITE_SIGNIN_REDIRECT_URI=$VITE_SIGNIN_REDIRECT_URI
ENV VITE_SIGNOUT_REDIRECT_URI=$VITE_SIGNOUT_REDIRECT_URI

# Build the application
RUN npm run build

# Distribution stage (for local use only - static files only)
FROM scratch as dist
COPY --from=builder /app/dist /

# Production stage (default for deployment)
FROM nginx:1.25-alpine as production

# Install gettext for envsubst command
RUN apk add --no-cache gettext

# Remove default nginx configuration
RUN rm -rf /usr/share/nginx/html/*

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

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

# Create nginx user if it doesn't exist
RUN addgroup -g 101 -S nginx || true
RUN adduser -S -D -H -u 101 -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx || true

# Set correct permissions
RUN chown -R nginx:nginx /usr/share/nginx/html
RUN chmod -R 755 /usr/share/nginx/html

# Expose port (default 8080, can be overridden by PORT env var)
ARG PORT=8080
ENV PORT=${PORT}
EXPOSE ${PORT}

# Health check
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:${PORT:-8080}/ || exit 1

# Start nginx
CMD ["sh", "-c", "envsubst '$$PORT' < /etc/nginx/nginx.conf > /tmp/nginx.conf && nginx -c /tmp/nginx.conf -g 'daemon off;'"]