feat: add Docker configuration

Dockerfile

@@ -0,0 +1,51 @@
+FROM oven/bun:1.3.10-alpine AS base
+
+# Add metadata labels
+LABEL maintainer="jugger@srjuggernaut.dev"
+LABEL description="Blog application built with TanStack Start"
+
+FROM base AS builder
+
+WORKDIR /app
+COPY . .
+
+# Set proper environment
+ENV BUILD=true
+
+# Install all dependencies for build (dev + prod)
+RUN bun install --frozen-lockfile
+RUN bun run build
+
+
+FROM base AS installer
+
+WORKDIR /app
+COPY . .
+
+# Set proper environment
+ENV NODE_ENV=production
+
+# Install all dependencies for production
+RUN bun install --frozen-lockfile --production
+
+
+FROM base AS runner
+
+WORKDIR /app
+
+# Install curl for health checks
+RUN apk add --no-cache curl
+
+COPY --from=installer /app/node_modules /app/node_modules
+COPY --from=builder /app/dist /app/dist
+COPY --from=builder /app/server.ts /app/server.ts
+
+ENV NODE_ENV=production
+
+EXPOSE 3000/tcp
+
+# Add health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:3000/ || exit 1
+
+CMD ["bun", "server.ts"]