Apply suggestions from code review

Co-authored-by: Willy <jemand771@gmx.net>

Dockerfile

@@ -51,6 +51,7 @@ RUN apk --no-cache add libgcc libstdc++ ca-certificates curl jq && update-ca-cer
 
 COPY --from=backend /go/bin/statping /usr/local/bin/
 COPY --from=backend /root/sassc/bin/sassc /usr/local/bin/
+COPY --from=backend /usr/local/share/ca-certificates /usr/local/share/
 
 WORKDIR /app
 VOLUME /app
@@ -64,4 +65,4 @@ EXPOSE $PORT
 
 HEALTHCHECK --interval=60s --timeout=10s --retries=3 CMD curl -s "http://localhost:$PORT/health" | jq -r -e ".online==true"
 
-CMD statping --port $PORT
+CMD statping --port $PORT

docker-compose.yml

@@ -3,7 +3,7 @@ version: '2.3'
 services:
   statping:
     container_name: statping
-    image: statping-ng/statping-ng:dev
+    image: aboutcher/statping-ng:dev
     restart: always
     volumes:
       - statping_data:/app