From 6d93fd0a5ef027e8cee3f733d466689ffcf9f472 Mon Sep 17 00:00:00 2001
From: Sebastian Gaviria Tangarife <61520057+SGT911@users.noreply.github.com>
Date: Sun, 9 Jan 2022 14:21:07 -0500
Subject: [PATCH] Update Dockerfile

Add support to other container CLIs and minify image removing the building packages
---
 contrib/docker/Dockerfile | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/contrib/docker/Dockerfile b/contrib/docker/Dockerfile
index 97aaac3..aa9e8af 100644
--- a/contrib/docker/Dockerfile
+++ b/contrib/docker/Dockerfile
@@ -1,21 +1,25 @@
-FROM alpine:3.12.0
-
-LABEL maintainer="sstefin@bk.ru"
+# Add "docker.io/library/" for support to buildah and podman
+FROM docker.io/library/alpine:3.14 AS build
 
 #Installing all the dependencies
 RUN apk add --no-cache gcc libsodium-dev make autoconf build-base
 
 WORKDIR /mkp224o
-
-COPY . /mkp224o/
+COPY . .
 
 RUN ./autogen.sh \
   && ./configure \
-  && make \
-  && cp /mkp224o/mkp224o /usr/local/bin/
+  && make
+
+# Multiple staging build for smaller size
+FROM docker.io/library/alpine:3.14 AS dist
+LABEL maintainer="sstefin@bk.ru"
+
+RUN apk add --no-cache libsodium
+
+COPY --from=build /mkp224o/mkp224o /usr/bin/mkp224o
 
 VOLUME /root/data
-
 WORKDIR /root/data
 
-ENTRYPOINT ["mkp224o"]
+ENTRYPOINT ["/usr/bin/mkp224o"]