# Stage 1: Dependencies install (cached if lockfile unchanged)
FROM node:22-alpine AS deps

WORKDIR /app

# Only copy dependency-related files to leverage cache
COPY package.json yarn.lock ./

# Install dependencies
RUN yarn install --frozen-lockfile

# Stage 2: Build the app
FROM node:22-alpine AS builder

ARG VITE_API_URL
ENV VITE_API_URL=$VITE_API_URL

WORKDIR /app

# Copy deps from previous stage to cache node_modules
COPY --from=deps /app/node_modules ./node_modules
COPY --from=deps /app/package.json ./package.json
COPY --from=deps /app/yarn.lock ./yarn.lock

# Copy rest of app
COPY src/ ./src
COPY public/ ./public
COPY .env.production ./.env.production
COPY index.html ./index.html
COPY tsconfig.json ./tsconfig.json
COPY tsconfig.app.json ./tsconfig.app.json
COPY tsconfig.node.json ./tsconfig.node.json
COPY vite.config.ts ./vite.config.ts

# Build the Vite app
RUN yarn build

# Stage 3: Serve with Caddy
FROM caddy:alpine

# Copy built app to the web root
COPY --from=builder /app/dist /usr/share/caddy

# Add Caddyfile (for routing support)
COPY Caddyfile /etc/caddy/Caddyfile

EXPOSE 80

CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]