feat: add Docker deployment configuration

Dockerfile

@@ -0,0 +1,39 @@
+# Build stage
+FROM node:20-alpine AS build
+
+WORKDIR /app
+
+# Install git
+RUN apk add --no-cache git
+
+# Clone repository
+ARG GIT_URL=https://git.six83.ru/ssa/configucci.git
+ARG GIT_BRANCH=ai
+RUN git clone --depth 1 --branch ${GIT_BRANCH} ${GIT_URL} .
+
+# Install dependencies
+COPY package*.json ./
+RUN npm ci
+
+# Copy source and build
+COPY . .
+RUN npm run build
+
+# Production stage
+FROM nginx:alpine
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Copy built files from build stage
+COPY --from=build /app/dist /usr/share/nginx/html
+
+# Expose port 80
+EXPOSE 80
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget --no-verbose --tries=1 --spider http://localhost/ || exit 1
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]