stagex: rewrite a good chunk

stagex/stagex.md

@@ -7,32 +7,49 @@ backgroundColor: #fff
 
 ![bg left:40% 80%](img/stagex-logo.png)
 
-Minimalism and security first repository of reproducible and multi-signed OCI images of common open source software toolchains full-source bootstrapped from Stage 0 all the way up.
+Minimalism and security first repository of reproducible and multi-signed OCI
+images of common open source software toolchains full-source bootstrapped from
+Stage 0 to the compiler and libraries you'll use.
 
 ---
 
-# **Minimalism and security first repository**
+# Minimalism and security first repository
 
-Most Linux distributions are built for **compatibility** rather than **security**
+Approach the distribution of a toolchain by ensuring each component uses
+exactly what it needs to build - no more, no less.
 
-This results in a dramatic increase of attack surface area of an operating system
+TODO: include image describing traditional package building, by installing
+_every_ dependency in a single OS, with a comparison of stagex only having mini
+Containerfiles with just what each project needs.
 
-StageX is designed to allow the creation of application specific environments with a minimal footprint to eliminate attack surface area.
+<!-- Speaker notes
+Most Linux distributions are built for *compatibility* rather than *security*.
+This results in a dramatic increase of attack surface area of an operating
+system. StageX is designed to allow the creation of application specific
+environments with a minimal footprint to eliminate attack surface area. Each
+component of the toolchain installs only what it needs, and only packages what
+it builds, resulting in a decreased attack surface.
+-->
 
 ---
 
 # Rust "hello world"
 
 ```dockerfile
-FROM stagex/busybox as build
+FROM scratch AS build
+COPY --from=stagex/busybox . /
 COPY --from=stagex/rust . /
 COPY --from=stagex/gcc . /
 COPY --from=stagex/binutils . /
 COPY --from=stagex/libunwind . /
-RUN printf 'fn main(){ println!("Hello World!"); }' > hello.rs
+ADD <<EOF hello.rs
+fn main() {
+    println!("Hello, world!");
+}
+EOF
 RUN rustc hello.rs
 FROM scratch
-COPY --from=build /home/user/hello .
+COPY --from=build ./hello .
 CMD ["./hello"]
 ```
 ---