Customized dockerfile to keep things up to date

Dockerfile

@@ -0,0 +1,17 @@
+FROM alpine:3.15 as BUILD
+WORKDIR /app
+RUN apk add dos2unix
+COPY plugin.sh ./
+RUN dos2unix plugin.sh
+
+FROM gcr.io/kaniko-project/executor:debug
+
+ENV HOME /root
+ENV USER root
+ENV SSL_CERT_DIR=/kaniko/ssl/certs
+ENV DOCKER_CONFIG /kaniko/.docker/
+ENV DOCKER_CREDENTIAL_GCR_CONFIG /kaniko/.config/gcloud/docker_credential_gcr_config.json
+
+# add the wrapper which acts as a drone plugin
+COPY --from=BUILD /app/plugin.sh /kaniko/plugin.sh
+ENTRYPOINT [ "/kaniko/plugin.sh" ]