added healthcheck and made it copy the original nginx.conf as default to the correct dir

DockerfileTest

@@ -27,7 +27,7 @@ RUN curl -fSL https://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.ta
 # --- Stage 2: runtime ---
 FROM alpine:3.22
 
-RUN apk add --no-cache pcre2 zlib openssl ca-certificates \
+RUN apk add --no-cache pcre2 zlib openssl ca-certificates wget \
  && adduser -D -g 'nginx' nginx \
  && mkdir -p /var/cache/nginx /etc/nginx/conf.d /usr/share/nginx/html \
  && chown -R nginx:nginx /var/cache/nginx /var/run /etc/nginx /usr/share/nginx/html
@@ -35,7 +35,10 @@ RUN apk add --no-cache pcre2 zlib openssl ca-certificates \
 COPY --from=builder /usr/sbin/nginx /usr/sbin/nginx
 COPY --from=builder /etc/nginx /etc/nginx
 COPY --from=builder /usr/lib/nginx /usr/lib/nginx
+COPY nginx.conf /etc/nginx/nginx.conf
 
-EXPOSE 80
+EXPOSE 80 443
 STOPSIGNAL SIGTERM
 CMD ["nginx", "-g", "daemon off;"]
+
+HEALTHCHECK --interval=30s --timeout=3s --retries=3 CMD wget -qO- http://127.0.0.1:80/ || exit 1