Removed sbom, binutils, updated README

Author: shaunsmith

tiny-java-containers/README.md

@@ -21,7 +21,8 @@ App](images/youtube.png)](https://youtu.be/6wYrAtngIVo)
 ## Prerequisites
 
 * x86 Linux (but the few binary dependencies could easily be changed for aarch64)
-* Docker installed and running. It should work fine with [podman](https://podman.io/) but it has not been tested.
+* Docker installed and running. It should work fine with
+  [podman](https://podman.io/) but it has not been tested.
 
 > NOTE: These instructions have only been tested on Linux x64.
 
@@ -56,8 +57,8 @@ In a terminal, run:
 1. The `hello` executable generated by GraalVM Native Image in the Dockerfile
    using the `--static --libc=musl` options is a fully self-contained
    executable. This means that it does not rely on any libraries in the host
-   operating system environment. This makes it easier to package in a variety of container images.
-   of Docker container images.
+   operating system environment. This makes it easier to package in a variety of
+   container images.
 
 2. You can see in the output of the Dockerfile build that `ls -lh` reports the
    `hello` executable is ~4.9MB. There's no JVM, no JARs, no JIT compiler and
@@ -72,8 +73,8 @@ In a terminal, run:
 
 ### Container Images
 
-The size of the `scratch`-based container image is about the same size as the `hello.upx`
-executable since it adds little overhead.
+The size of the `scratch`-based container image is about the same size as the
+`hello.upx` executable since it adds little overhead.
 
 ![](images/keyboard.jpg) `docker images hello`
 
@@ -104,7 +105,7 @@ introduced in JDK 18 and build a containerized executable that serves up web
 pages.
 
 How small can a containerized Java web server be? Would you believe a measly
-4.4MB? Let's see.
+3.9 MB? Let's see.
 
 Let's move from the `helloworld` folder over to the `jwebserver` folder. 
 
@@ -139,7 +140,7 @@ jwebserver          distroless-java                de7f7efb6df4        4 minutes
 jwebserver          temurin                        643203bf8168        4 minutes ago       451MB
 jwebserver          debian                         fa5bfa4b2e5e        4 minutes ago       932MB
 jwebserver          distroless-java-base.jlink     c3113c2400ea        5 minutes ago       122MB
-jwebserver          scratch.static-upx             75b3bb3249f3        5 minutes ago       4.12MB
+jwebserver          scratch.static-upx             75b3bb3249f3        5 minutes ago       3.9MB
 jwebserver          alpine.static                  178081760470        6 minutes ago       21.6MB
 jwebserver          distroless-static.static       84053f6323c1        6 minutes ago       15.8MB
 jwebserver          scratch.static                 98061f48037c        6 minutes ago       13.8MB
@@ -149,7 +150,7 @@ jwebserver          distroless-java-base.dynamic   1aceeabbb329        7 minutes
 
 Sorting by size, it's clear that the fully statically linked GraalVM Native
 Image generated executable that's compressed and packaged on `scratch`
-(`scratch.static-upx`) is the smallest at just 4.71MB, less than 4% of the size
+(`scratch.static-upx`) is the smallest at just 3.9 MB, less than 4% of the size
 of the `jlink` version (`distroless-java-base.jlink`) running on the JVM.
 
 | Base Image           | App Version                        | Size (MB) |
@@ -163,16 +164,16 @@ of the `jlink` version (`distroless-java-base.jlink`) running on the JVM.
 | Alpine               | native *fully* static linked       |     21.60 |
 | Distroless Static    | native *fully* static linked       |     15.80 |
 | Scratch              | native *fully* static linked       |     13.80 |
-| Scratch              | *compressed* native *fully* static |      4.12 |
+| Scratch              | *compressed* native *fully* static |      3.90 |
 
 Running a container image is once again straight forward, just remember to map
 the server port, e.g.:
 
-![](images/keyboard.jpg) `docker run --rm -p8000:8000 jwebserver:scratch.static`
+![](images/keyboard.jpg) `docker run --init --rm -p8000:8000 jwebserver:scratch.static`
 
 or
 
-![](images/keyboard.jpg) `docker run --rm -p8000:8000 jwebserver:scratch.static-upx`
+![](images/keyboard.jpg) `docker run --init --rm -p8000:8000 jwebserver:scratch.static-upx`
 
 Using `curl` or your favourite tool you can hit `http://localhost:8000` to fetch
 the index.html file.

tiny-java-containers/jwebserver/Dockerfile.distroless-base.mostly

@@ -1,7 +1,7 @@
 FROM container-registry.oracle.com/graalvm/native-image:23 AS nativebuild
 WORKDIR /build
 # Build a native executable optimizing for size with `-Os`
-RUN native-image --static-nolibc -Os --enable-sbom=cyclonedx -m jdk.httpserver -o jwebserver.mostly
+RUN native-image --static-nolibc -Os -m jdk.httpserver -o jwebserver.mostly
 RUN ls -lh jwebserver.mostly
 
 FROM gcr.io/distroless/base-debian12

tiny-java-containers/jwebserver/Dockerfile.distroless-java-base.dynamic

@@ -1,7 +1,7 @@
 FROM container-registry.oracle.com/graalvm/native-image:23 AS nativebuild
 WORKDIR /build
 # Build a dynamically linked native executable optimizing for size with `-Os`
-RUN native-image -Os --enable-sbom=cyclonedx -m jdk.httpserver -o jwebserver.dynamic
+RUN native-image -Os -m jdk.httpserver -o jwebserver.dynamic
 RUN ls -lh jwebserver.dynamic
 
 FROM gcr.io/distroless/java-base-debian12

tiny-java-containers/jwebserver/Dockerfile.distroless-java-base.jlink

@@ -1,5 +1,4 @@
 FROM container-registry.oracle.com/graalvm/jdk:23 AS build
-RUN microdnf install -y binutils
 WORKDIR /build
 # Build a runtime image optimized for size
 RUN jlink \

tiny-java-containers/jwebserver/Dockerfile.distroless-static.static

@@ -1,7 +1,7 @@
 FROM container-registry.oracle.com/graalvm/native-image:23-muslib AS nativebuild
 WORKDIR /build
 # Build a statically linked native executable optimizing for size with `-Os`
-RUN native-image --static --libc=musl -Os --enable-sbom=cyclonedx -m jdk.httpserver -o jwebserver.static
+RUN native-image --static --libc=musl -Os -m jdk.httpserver -o jwebserver.static
 RUN ls -lh jwebserver.static
 
 FROM gcr.io/distroless/static-debian12

tiny-java-containers/jwebserver/Dockerfile.scratch.static

@@ -1,7 +1,7 @@
 FROM container-registry.oracle.com/graalvm/native-image:23-muslib AS nativebuild
 WORKDIR /build
 # Build a statically linked native executable optimizing for size with `-Os`
-RUN native-image --static --libc=musl -Os --enable-sbom=cyclonedx -m jdk.httpserver -o jwebserver.static
+RUN native-image --static --libc=musl -Os -m jdk.httpserver -o jwebserver.static
 RUN ls -lh jwebserver.static
 
 FROM scratch

tiny-java-containers/jwebserver/Dockerfile.scratch.static-upx

@@ -2,7 +2,7 @@ FROM container-registry.oracle.com/graalvm/native-image:23-muslib AS nativebuild
 WORKDIR /build
 
 # Build a statically linked native executable optimizing for size with `-Os`
-RUN native-image --static --libc=musl -Os --enable-sbom=cyclonedx -m jdk.httpserver -o jwebserver.static
+RUN native-image --static --libc=musl -Os -m jdk.httpserver -o jwebserver.static
 RUN ls -lh jwebserver.static
 
 # Install and use UPX