Update musl libc installation

Author: olyagpl

native-image/micronaut-webserver/README.md

@@ -53,7 +53,7 @@ In this workshop you will:
     ./build-jar-eclipse-temurin.sh
     ```
     Once the script finishes, a container image _eclipse-temurin-jar_ should be available.
-    Check its size. It should be **472MB**.      
+    Check its size. It should be **472MB**.
     ```bash
     docker images
     ```
@@ -549,7 +549,7 @@ A separate Maven profile exists for this step:
 #### For Local Building
 
 If you build a native image locally, it requires the `musl` toolchain with `zlib` installed on your machine.
-We provide a script to download and configure the `musl` toolchain, and install `zlib` into the toolchain:
+We provide a script to download and configure the `musl` toolchain:
 ```bash
 ./setup-musl.sh
 ```

native-image/micronaut-webserver/setup-musl.sh

@@ -1,36 +1,10 @@
 #!/usr/bin/env bash
 set +e
 
-# Specify an installation directory for musl:
-export MUSL_HOME=$PWD/musl-toolchain
+# Download the `musl` toolchain that includes the `zlib` library.
+# Extract it, and add to the system path:
 
-# Download musl sources:
-curl -O https://musl.libc.org/releases/musl-1.2.5.tar.gz
-
-# Build musl from source
-tar -xzvf musl-1.2.5.tar.gz
-rm -rf musl-1.2.5.tar.gz
-pushd musl-1.2.5
-./configure --prefix=$MUSL_HOME --static
-# The next operation may require privileged access to system resources, so use sudo
-sudo make
-sudo make install
-popd
-
-# Install a symlink for use by native-image
-ln -s $MUSL_HOME/bin/musl-gcc $MUSL_HOME/bin/x86_64-linux-musl-gcc
-
-# Extend the system path and confirm that musl is available by printing its version
-export PATH="$MUSL_HOME/bin:$PATH"
-x86_64-linux-musl-gcc --version
-
-# Download zlib sources:
-curl -O https://zlib.net/fossils/zlib-1.2.13.tar.gz
-
-# Build zlib with musl from source and install into the MUSL_HOME directory
-tar -xzvf zlib-1.2.13.tar.gz
-rm -rf zlib-1.2.13.tar.gz
-pushd zlib-1.2.13
-CC=musl-gcc ./configure --prefix=$MUSL_HOME --static
-make && make install
-popd
+curl -SLO https://gds.oracle.com/download/bfs/archive/musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz
+tar xzf musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz
+export PATH="$(pwd)/musl-toolchain/bin:$PATH"
+rm -rf musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz

native-image/spring-boot-webserver/README.md

@@ -566,7 +566,7 @@ A separate Maven profile exists for this step:
 #### For Local Building
 
 If you build a native image locally, it requires the `musl` toolchain with `zlib` installed on your machine.
-We provide a script to download and configure the `musl` toolchain, and install `zlib` into the toolchain:
+We provide a script to download and configure the `musl` toolchain:
 ```bash
 ./setup-musl.sh
 ```

native-image/spring-boot-webserver/setup-musl.sh

@@ -1,36 +1,13 @@
 #!/usr/bin/env bash
 set +e
 
-# Specify an installation directory for musl:
-export MUSL_HOME=$PWD/musl-toolchain
-
-# Download musl sources:
-curl -O https://musl.libc.org/releases/musl-1.2.5.tar.gz
-
-# Build musl from source
-tar -xzvf musl-1.2.5.tar.gz
-rm -rf musl-1.2.5.tar.gz
-pushd musl-1.2.5
-./configure --prefix=$MUSL_HOME --static
-# The next operation may require privileged access to system resources, so use sudo
-sudo make
-sudo make install
-popd
-
-# Install a symlink for use by native-image
-ln -s $MUSL_HOME/bin/musl-gcc $MUSL_HOME/bin/x86_64-linux-musl-gcc
-
-# Extend the system path and confirm that musl is available by printing its version
-export PATH="$MUSL_HOME/bin:$PATH"
-x86_64-linux-musl-gcc --version
+#!/usr/bin/env bash
+set +e
 
-# Download zlib sources:
-curl -O https://zlib.net/fossils/zlib-1.2.13.tar.gz
+# Download the `musl` toolchain that includes the `zlib` library.
+# Extract it, and add to the system path:
 
-# Build zlib with musl from source and install into the MUSL_HOME directory
-tar -xzvf zlib-1.2.13.tar.gz
-rm -rf zlib-1.2.13.tar.gz
-pushd zlib-1.2.13
-CC=musl-gcc ./configure --prefix=$MUSL_HOME --static
-make && make install
-popd
+curl -SLO https://gds.oracle.com/download/bfs/archive/musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz
+tar xzf musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz
+export PATH="$(pwd)/musl-toolchain/bin:$PATH"
+rm -rf musl-toolchain-1.2.5-oracle-00001-linux-amd64.tar.gz