diff --git a/build-sidecar-injector.jenkins b/build-sidecar-injector.jenkins
index b0f8fe1..742c9a8 100644
--- a/build-sidecar-injector.jenkins
+++ b/build-sidecar-injector.jenkins
@@ -14,18 +14,19 @@ COPY generic-sidecar-injector/ /go/src/app/
 
 WORKDIR /go/src/app
 
-RUN apk add --no-cache git upx && \\
+RUN set -x && \\
+    apk add --no-cache git upx && \\
     addgroup -S -g 1000 app && \\
     adduser --disabled-password -G app --gecos "application account" --home "/home/app" --shell "/sbin/nologin" --no-create-home --uid 1000 app && \\
     go mod download && \\
-    GIT_HASH="$$(git rev-parse --short HEAD) && GIT_TAG=$$(git tag | tail -1)"" && \\
+    GIT_HASH="\$(git rev-parse --short HEAD) && GIT_TAG=\$(git tag | tail -1)"" && \\
     CGO_ENABLED="0" && \\
     GOOS="linux" && \\
     GOARCH="amd64" && \\
     go build \\
         -v \\
         -tags timetzdata \\
-        -ldflags="-s -w -X 'github.com/salesforce/generic-sidecar-injector/pkg/metrics.gitHash=$${GIT_HASH}' -X 'github.com/salesforce/generic-sidecar-injector/pkg/metrics.gitTag=$${GIT_TAG}'" \\
+        -ldflags="-s -w -X 'github.com/salesforce/generic-sidecar-injector/pkg/metrics.gitHash=\${GIT_HASH}' -X 'github.com/salesforce/generic-sidecar-injector/pkg/metrics.gitTag=\${GIT_TAG}'" \\
         -installsuffix cgo \\
         -o sidecarinjector \\
         ./cmd/sidecarinjector && \\