feat : initial commit

Dockerfile

@@ -0,0 +1,64 @@
+# HealthSync - AI 건강 코치 Dockerfile
+# Multi-stage build for optimized React application
+
+# Stage 1: Dependencies installation
+FROM node:18-alpine AS deps
+WORKDIR /app
+
+# Copy package files for better caching
+COPY package*.json ./
+
+# Install ALL dependencies (needed for build)
+RUN npm ci && npm cache clean --force
+
+# Stage 2: Build application  
+FROM node:18-alpine AS builder
+WORKDIR /app
+
+# Copy dependencies from previous stage
+COPY --from=deps /app/node_modules ./node_modules
+
+# Copy source code
+COPY . .
+
+# Set build environment variables
+ENV CI=false
+ENV NODE_ENV=production
+
+# Build the application
+RUN npm run build
+
+# Stage 3: Production runtime
+FROM node:18-alpine AS runner
+
+# Install wget for health check (alpine doesn't have curl by default)
+RUN apk add --no-cache wget
+
+# Create non-root user for security
+RUN addgroup -g 1001 -S healthsync && \
+    adduser -S healthsync -u 1001 -G healthsync
+
+# Set working directory
+WORKDIR /app
+
+# Install serve locally for better security
+RUN npm init -y && npm install serve@14.2.1
+
+# Copy built application from builder stage
+COPY --from=builder /app/build ./build
+
+# Change ownership to non-root user
+RUN chown -R healthsync:healthsync /app
+
+# Expose port 3000
+EXPOSE 3000
+
+# Switch to non-root user
+USER healthsync
+
+# Health check using wget instead of curl
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
+# Start the application using npx to run local serve
+CMD ["npx", "serve", "-s", "build", "-l", "3000", "--no-clipboard"]