diff --git a/87_apk/.gitignore b/87_apk/.gitignore
new file mode 100644
index 0000000..3fa7ece
--- /dev/null
+++ b/87_apk/.gitignore
@@ -0,0 +1,2 @@
+*.apk
+*.gz
diff --git a/87_apk/Dockerfile.build b/87_apk/Dockerfile.build
new file mode 100644
index 0000000..fa5a61e
--- /dev/null
+++ b/87_apk/Dockerfile.build
@@ -0,0 +1,27 @@
+FROM alpine:3.20.0 AS build
+
+RUN apk update && apk add --no-cache mandoc man-pages abuild curl doas alpine-sdk
+
+ENV USERNAME="builder"
+ENV GROUP="builder"
+
+# Create a non-admin user and group
+RUN addgroup -S $USERNAME && adduser -S $USERNAME -G $GROUP
+RUN echo "$USERNAME:$USERNAME" | chpasswd
+RUN echo "$USERNAME     ALL=(ALL) ALL" > /etc/sudoers
+RUN echo 'GROUP="$GROUP"' > /etc/abuild.conf
+
+WORKDIR /package
+
+# Copy files from the local machine to the container
+COPY ./hello-world /package
+
+# Change the ownership of the working directory to the non-admin user
+RUN chown -R builder:builder /package
+
+# Switch to the non-admin user
+USER builder
+
+WORKDIR /package
+
+#abuild-keygen -a -i
diff --git a/87_apk/README.md b/87_apk/README.md
new file mode 100644
index 0000000..90fdcac
--- /dev/null
+++ b/87_apk/README.md
@@ -0,0 +1,27 @@
+# APK
+
+TODO:
+
+- Create packages
+- Host packages in a repository (s3)
+
+## Build
+
+Build and run the container
+
+```sh
+# Build 
+docker build -t apkbuilder -f Dockerfile.build .
+
+# run
+docker run -it --entrypoint /bin/sh apkbuilder
+```
+
+## Resources
+
+- Alpine linux create a apk-package [here](https://stackoverflow.com/questions/59684341/alpine-linux-create-a-apk-package)
+- https://github.com/alpinelinux
+- https://github.com/alpinelinux/apk-tools/blob/master/doc/apk.8.scd
+- https://github.com/gr0und-s3ct0r/apkbuild
+https://codeberg.org/chimo/apkbuilds
+- https://wiki.alpinelinux.org/wiki/Abuild_and_Helpers
diff --git a/87_apk/hello-world/APKBUILD b/87_apk/hello-world/APKBUILD
new file mode 100644
index 0000000..5223ef3
--- /dev/null
+++ b/87_apk/hello-world/APKBUILD
@@ -0,0 +1,35 @@
+# Contributor:
+# Maintainer:
+pkgname=hello-world
+pkgver=1.0
+pkgrel=0
+pkgdesc="Hello World! program"
+url="http://alpinelinux.org"
+arch="noarch"
+license="GPL"
+depends=
+makedepends=
+install=
+subpackages=
+source=""
+builddir="$srcdir/$pkgname-$pkgver"
+
+# append extra dependencies to -dev subpackage
+# remove if not used.
+# depends_dev="somepackage-dev"
+
+prepare() {
+	mkdir -p "$builddir"
+}
+
+build() {
+	cd "$builddir"
+  cp ../hello-world.sh .
+}
+
+package() {
+	cd "$builddir"
+	install -Dm755 $pkgname "$pkgdir"/usr/bin/$pkgname
+}
+
+sha512sums="" #generate with 'abuild checksum'
diff --git a/87_apk/hello-world/hello-world.sh b/87_apk/hello-world/hello-world.sh
new file mode 100755
index 0000000..daf152a
--- /dev/null
+++ b/87_apk/hello-world/hello-world.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -euf -o pipefail
+
+readonly SCRIPT_NAME=$(basename "$0")
+readonly SCRIPT_PATH=${0}
+readonly SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
+readonly HOME_DIR=~
+if [[ $(command -v greadlink) ]]; then 
+    # mac requires 'brew install coreutils'
+    readonly SCRIPT_FULL_PATH="$(dirname "$(greadlink -f "$0")")"
+else
+    readonly SCRIPT_FULL_PATH="$(dirname "$(readlink -f "$0")")"
+fi 
+
+echo "************************************************"
+echo "* hello-world from debian package"
+echo "************************************************"
+echo "SCRIPT_NAME=${SCRIPT_NAME}"
+echo "SCRIPT_PATH=${SCRIPT_PATH}"
+echo "SCRIPT_DIR=${SCRIPT_DIR}"
+echo "HOME_DIR=${HOME_DIR}"
+echo "SCRIPT_FULL_PATH=${SCRIPT_FULL_PATH}"
+echo "************************************************"
+