Add PROJECT_PATH as safe git directory.

Author: brocaar

Dockerfile-devel

@@ -8,5 +8,6 @@ ENV GO_EXTRA_BUILD_ARGS="-a -installsuffix cgo"
 RUN apk add --no-cache ca-certificates tzdata make git bash
 
 RUN mkdir -p $PROJECT_PATH
+RUN git config --global --add safe.directory $PROJECT_PATH
 COPY . $PROJECT_PATH
 WORKDIR $PROJECT_PATH