From 7d46e3f7a66ca87f64f50bc8c754005bceebb64f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Barra=20=C3=93=20Cath=C3=A1in?= <barra@ocathain.ie>
Date: Thu, 18 Apr 2024 16:01:05 +0100
Subject: [PATCH] Added docker file to generate the image.

---
 Dockerfile | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..b37fc7a
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,24 @@
+# syntax=docker/dockerfile:1
+FROM alpine:latest as base
+
+# Build Stage:
+FROM base AS build
+RUN apk add git build-base
+RUN git clone https://undercroft.ocathain.ie/barra/the-worlds-least-useful-clock.git
+RUN gcc the-worlds-least-useful-clock/the-worlds-least-useful-clock.c
+
+# Final Stage:
+FROM base AS final
+COPY --from=build a.out /bin/useless-clock
+ARG UID=10001
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    appuser
+USER appuser
+COPY --from=build a.out /bin/useless-clock
+ENTRYPOINT [ "/bin/useless-clock" ]