Avoid full rebuild of image

Reusing exising image with sha1 check

Dockerfile

@@ -1,8 +1,30 @@
-FROM concourse/buildroot:base
-MAINTAINER https://github.com/cloudfoundry-community/bosh2-errand-resource
+FROM cfcommunity/bosh2-errand-resource:v0.1.2
+ENV EXPECTED_SHA1 "7b89fb83064f40bd2e8adfc96c88f4b0b2bd6f34  check \
+278fafe63fbf8af276d65640f4bafc94579cd742  in \
+957d664beb1b976351c4db192abf1f6d08189fea  out \
+"
 
-ADD check /opt/resource/check
-ADD in /opt/resource/in
-ADD out /opt/resource/out
+RUN cd /opt/resource && export CURRENT_SHA=$(sha256sum *) && echo "Computed SHA256: " && printenv CURRENT_SHA \
+    printenv CURRENT_SHA1 |sha256sum -c -
 
-RUN chmod +x /opt/resource/*
+#FROM concourse/buildroot:base
+#MAINTAINER https://github.com/cloudfoundry-community/bosh2-errand-resource
+#
+#ADD check /opt/resource/check
+#ADD in /opt/resource/in
+#ADD out /opt/resource/out
+#
+#RUN chmod +x /opt/resource/*
+
+
+
+#FROM golang:1.21.6 AS builder
+#ENV BUILT_BINARIES_DIR=/go/src/github.com/cloudfoundry-community/bosh2-errand-resource/build
+#
+#ADD . /go/src/github.com/cloudfoundry-community/bosh2-errand-resource
+#WORKDIR /go/src/github.com/cloudfoundry-community/bosh2-errand-resource
+#RUN ./ci/tasks/build.sh
+#
+#FROM alpine:3.19.1 AS resource
+#COPY --from=builder /go/src/github.com/cloudfoundry-community/bosh2-errand-resource/build /opt/resource
+#RUN chmod +x /opt/resource/*