Only copy tgz and install on tgz files

Dockerfile

@@ -12,12 +12,12 @@ RUN dnf upgrade -y && \
       dnf clean all && \
       rm -rf /var/cache/dnf
 COPY --from=source /app /app
-COPY . /tgz
+COPY *.tgz /tgz
 
 RUN cd /app; \
-    find /tgz -type f -print -exec npm cache add {} \; 
+    find /tgz -name *.tgz -type f -print -exec npm cache add {} \; 
 RUN cd /app; \
-    find /tgz -type f -print -exec npm install {} --prefer-offline --no-optional --no-audit --verbose \;
+    find /tgz -name *.tgz -type f -print -exec npm install {} --prefer-offline --no-optional --no-audit --verbose \;
 
 EXPOSE 5000
 # Remove special permission bits