add cache busting

Dockerfile

@@ -1,16 +1,14 @@
 FROM docker.io/library/nginx:alpine
 
-RUN rm /etc/nginx/conf.d/default.conf
+RUN rm /etc/nginx/conf.d/default.conf && \
+    apk add --no-cache coreutils
 
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
-COPY src/index.html /usr/share/nginx/html/
-COPY src/style.css /usr/share/nginx/html/
-COPY src/script.js /usr/share/nginx/html/
-COPY src/profile.jpeg /usr/share/nginx/html/
+COPY src/ /src/
+COPY build.sh /build.sh
+RUN chmod +x /build.sh && SRC=/src DIST=/dist /bin/sh /build.sh && cp -r /dist/* /usr/share/nginx/html/ && rm -rf /src /build.sh /dist
 
 EXPOSE 8080
 
-HEALTHCHECK --interval=30s --timeout=3s --retries=3 \
-
-CMD wget -qO- http://localhost:8080/ || exit 1
+HEALTHCHECK --interval=30s --timeout=3s --retries=3 CMD wget -qO- http://localhost:8080/ || exit 1