From 9eff5c04961da9dc2ddb05f3c4d1a6722050b394 Mon Sep 17 00:00:00 2001
From: m0veax <patrick.kilter@gmail.com>
Date: Sat, 25 May 2024 22:09:45 +0200
Subject: [PATCH] create a truly static binary and a scratch run container

---
 Dockerfile | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 6614f10..ae1b8d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,15 @@
-FROM rust:1.75.0
+FROM rust:1.75.0 as builder
 
 WORKDIR /usr/src/chaospott-status
 COPY . .
-RUN cargo install --path .
+
+# use musl to create a truly static binary https://bxbrenden.github.io/
+RUN rustup component add rust-std-x86_64-unknown-linux-musl
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+FROM scratch
+COPY --from=builder /usr/src/chaospott-status/target/x86_64-unknown-linux-musl/release/chaospott-status /chaospott-status
 
 EXPOSE 3000
 
-CMD ["chaospott-status"]
\ No newline at end of file
+CMD ["/chaospott-status"]
\ No newline at end of file