From efacc7e3d49f4e5075868e75f81c97bc9c90aba9 Mon Sep 17 00:00:00 2001
From: Drew Short <warrick@sothr.com>
Date: Sat, 5 Jun 2021 13:17:31 -0500
Subject: [PATCH] Initial build image

---
 Dockerfile           | 28 ++++++++++++++++++++++++++++
 rootfs/entrypoint.sh |  7 +++++++
 2 files changed, 35 insertions(+)
 create mode 100644 Dockerfile
 create mode 100755 rootfs/entrypoint.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..41eba28
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,28 @@
+ARG ALPINE_VERSION=3.13
+
+FROM alpine:$ALPINE_VERSION AS builder
+ARG RUST_VERSION=stable
+ARG PIJUL_VERSION="~1.0.0-alpha"
+
+RUN apk add --no-cache rustup \
+    && rustup-init -yqt "$RUST_VERSION"
+RUN apk add --no-cache \
+    build-base \
+    clang \
+    libsodium-dev \
+    make \
+    openssl-dev \
+    xxhash-dev \
+    zstd-dev
+RUN /root/.cargo/bin/cargo install pijul --version "$PIJUL_VERSION"
+
+FROM alpine:$ALPINE_VERSION AS base
+LABEL maintainer "Drew Short - https://git.nulloctet.com/warricksothr"
+ENTRYPOINT ["/entrypoint.sh"]
+EXPOSE 22
+COPY --from=builder /root/.cargo/bin/pijul /usr/local/bin/
+COPY rootfs /
+
+RUN apk add --no-cache openssh \
+  && sed -i s/#PermitRootLogin.*/PermitRootLogin\ no/ /etc/ssh/sshd_config \
+  && echo "root:root" | chpasswd
diff --git a/rootfs/entrypoint.sh b/rootfs/entrypoint.sh
new file mode 100755
index 0000000..99328f5
--- /dev/null
+++ b/rootfs/entrypoint.sh
@@ -0,0 +1,7 @@
+#!/bin/ash
+
+# generate host keys if not present
+ssh-keygen -A
+
+# do not detach (-D), log to stderr (-e), passthrough other arguments
+exec /usr/sbin/sshd -D -e "$@"