# Etapa 1 - extrair e buildar a aplicação
FROM node:18 AS build

WORKDIR /app

# Copiar e descompactar o ZIP do repositório
COPY app.zip /app/
RUN apt-get update && apt-get install -y unzip && \
    unzip app.zip -d . && \
    rm app.zip

# Instalar dependências e buildar o projeto
RUN npm install && npm run build

# Etapa 2 - imagem final com nginx
FROM nginx:alpine

# Configuração customizada do nginx para SPA
RUN cat <<'EOF' > /etc/nginx/conf.d/default.conf
server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml text/javascript application/x-javascript application/xml+rss application/javascript application/json;

    location ~* \.(jpg|jpeg|png|gif|ico|css|js|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    location / {
        try_files $uri $uri/ /index.html;
    }

    location ~ /\. {
        deny all;
    }
}
EOF

# Copiar os arquivos construídos para o diretório público do nginx
COPY --from=build /app/dist /usr/share/nginx/html

# Remover arquivo default se existir (evita sobrescrever a index.html do build)
RUN rm -f /usr/share/nginx/html/index.html.orig 2>/dev/null || true

EXPOSE 80

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