Below are easy install instructions by OS and Architecture. As always there are always the standard instructions in the README.md as well.
darwin
386 - darwin
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="e66334300dd9b37b0a8bc058c241c5c0e3de4ba7caf85b5a54192ffefd5a5070"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
amd64 - darwin
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="cc6000b200179b45580e265411eb94bfa567e0462a7ed6c8dbc6add5315c8917"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
freebsd
386 - freebsd
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="0e995b17d3f442a1c7f71cb401629848b425a73d90ec9b426abede7bc4d5c702"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
amd64 - freebsd
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="e48d70dffde1f7655ab497a2dda0f81c20e839d41921a5476aba7650ab6d5b77"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
linux
386 - linux
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="e93351406359335269f6d57a3eec0cf7c7043bf66ad6fa360960de630a41b7da"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
amd64 - linux
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="ad1c43db6c4155520bf2c9f62b61eab1e802953aeb60a0a3ce31c83dfb08f6f5"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
arm - linux
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="b543c154a885cbd84e1fa98aaef1ef45b9bce861e749679d43506bd1f3abc181"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
arm64 - linux
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="01aaf9a2c5c9dd20c03ffdfa744c21952c19ae72bc183a540dda7c33e38ab44d"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
windows
386 - windows
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="d09fe09c0c18220ee216c93b1947482b70cbd12d4488e51240ce92fe3a501c27"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h
amd64 - windows
# Export the sha256sum for verification.
$ export CONTAINED.AF_SHA256="85902c3e477862095e19932f875299d1f2693b04aefc42ee91f05886bd1035e6"
# Download and check the sha256sum.
$ curl -fSL "" -o "/usr/local/bin/contained.af" \
&& echo "${CONTAINED.AF_SHA256} /usr/local/bin/contained.af" | sha256sum -c - \
&& chmod a+x "/usr/local/bin/contained.af"
$ echo "contained.af installed!"
# Run it!
$ contained.af -h