From 4d1f41e5be0ecf3678bc316fd7d9f9c1a31f4b76 Mon Sep 17 00:00:00 2001
From: Bruno Wego <brunowego@gmail.com>
Date: Sat, 6 Jun 2020 16:26:51 -0300
Subject: [PATCH] Added docker support (#55)

* chore(repo): added docker support

* docs(readme): added docker instruction

* refactor(docker): build from current branch

* fix(docker): remove unnecessary packages

Co-authored-by: Frank Denis <124872+jedisct1@users.noreply.github.com>
---
 .dockerignore |  5 +++++
 Dockerfile    | 18 ++++++++++++++++++
 README.md     |  4 ++++
 3 files changed, 27 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..381bdb6
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,5 @@
+**
+
+!/share
+!/src
+!/CMakeLists.txt
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ec52ffb
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,18 @@
+FROM alpine:3.9 as build
+
+WORKDIR /usr/src/minisign
+
+RUN apk add --no-cache \
+    g++==8.3.0-r0 \
+    libsodium-dev==1.0.16-r0
+
+COPY ./ ./
+
+RUN gcc -static -Os -s -o minisign src/*.c -lsodium
+
+
+FROM scratch
+
+COPY --from=build /usr/src/minisign/minisign /usr/local/bin/
+
+ENTRYPOINT ["/usr/local/bin/minisign"]
diff --git a/README.md b/README.md
index c808e38..692a4b1 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,10 @@ Minisign is also available on Ubuntu as a PPA:
 
     $ [sudo] add-apt-repository ppa:dysfunctionalprogramming/minisign
 
+Minisign is also available with docker:
+
+    $ docker run -i --rm jedisct1/minisign
+
 Additional tools, libraries and implementations
 -----------------------------------------------