feat: Containerize frontend and backend services with Docker and Docker Compose, enabling environment-based API configuration.

k-notes-frontend/Dockerfile

@@ -0,0 +1,29 @@
+# Build stage
+FROM oven/bun:1 AS builder
+
+WORKDIR /app
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+COPY . .
+RUN bun run build
+
+# Production stage
+FROM nginx:alpine
+
+# Copy built assets
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Create script to generate env-config.js from environment variables
+RUN echo '#!/bin/sh' > /docker-entrypoint.d/40-env-config.sh && \
+    echo 'echo "window.env = {" > /usr/share/nginx/html/env-config.js' >> /docker-entrypoint.d/40-env-config.sh && \
+    echo 'if [ -n "$API_URL" ]; then echo "  API_URL: \"$API_URL\"," >> /usr/share/nginx/html/env-config.js; fi' >> /docker-entrypoint.d/40-env-config.sh && \
+    echo 'echo "};" >> /usr/share/nginx/html/env-config.js' >> /docker-entrypoint.d/40-env-config.sh && \
+    chmod +x /docker-entrypoint.d/40-env-config.sh
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]