Use alpine image

klimber · jfcoz · commit ae544f2bf460 · 2020-08-22T12:53:24.000+02:00
Alpine image is lighter.
diff --git a/Dockerfile b/Dockerfile
@@ -1,7 +1,5 @@
-FROM debian:latest
+FROM alpine:latest
 MAINTAINER Julien Francoz <julien-postgresqltuner@francoz.net>
-RUN apt-get update \
- && apt-get install -y libdbd-pg-perl ssh \
- && apt-get clean
+RUN apk add perl-dbd-pg openssh-client
 ADD postgresqltuner.pl /usr/bin/
 ENTRYPOINT ["/usr/bin/postgresqltuner.pl"]
