ci: set Git config on docker build

Author: luizrrodrigues

.circleci/config.yml

@@ -43,7 +43,6 @@ save_cache_settings: &save_cache_settings
 build_docker_image: &build_docker_image
           name: Build of Docker image
           command: |
-            git config --global url."https://git@".insteadOf git://
             source buildenvvar
             ./build.sh
           no_output_timeout: 20m

Dockerfile

@@ -147,6 +147,7 @@ ENV OPTIMIZELY_SDK_KEY=$OPTIMIZELY_SDK_KEY
 # Testing and build of the application inside the container.
 
 RUN npm config set unsafe-perm true
+RUN git config --global url."https://git@".insteadOf git://
 RUN npm install
 RUN npm test
 RUN npm run build