refactor: Dockerfile

Signed-off-by: Dmitriy Safronov <zimniy@cyberbrain.pw>

Dockerfile

@@ -2,19 +2,16 @@
 FROM node:20.13.1 AS builder
 ENV NODE_ENV=production
 WORKDIR /app
-# Install NPM with version
 RUN npm install -g npm@10.8.0
-# Install dependencies
-COPY package*.json ./
 ARG NPM_TOKEN
+COPY package*.json ./
 RUN echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" > .npmrc && \
    npm ci --omit=dev && \
    rm -f .npmrc
-# Build app
 COPY . .
 RUN npm run build
 
 # --------------> The production image
 FROM nginxinc/nginx-unprivileged:1.26.0 AS production
-# Copy built assets from `builder` image
+RUN rm -rf /usr/share/nginx/html/*
 COPY --from=builder /app/build/ /usr/share/nginx/html/