NOISSUE - Fix Dockerfile and CI

Signed-off-by: dusan <borovcanindusan1@gmail.com>

Author: dborovcanin

docker/Dockerfile

@@ -10,12 +10,13 @@ WORKDIR /go/src/github.com/absmach/callhome
 COPY . .
 RUN go mod tidy
 RUN apk update \
-    && apk add make npm\
-    && make $SVC \
-    && mv build/$SVC /exe
+    && apk add make npm
+
+# Install npm dependencies before building
+RUN npm install
 
-# Build minified assets
-RUN npm install && npm run build
+RUN make $SVC \
+    && mv build/$SVC /exe
 
 FROM scratch
 # Certificates are needed so that mailing util can work.