Intro
RedisJSON module allows you to store JSON objects in a Redis database without deserialization. The module is written in Rust and it's NOT installed by default and there's no binary so you have to compile it from source. You'll need Rust and cargo.
Install dependencies
apt-get install cmake clang libclang1
Install Rust
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
Compile
git clone https://github.com/RedisJSON/RedisJSON
cd RedisJSON
cargo build --release
Install Module
mkdir /opt/redis
mv ./target/release/librejson.so /opt/redis/
echo "loadmodule /opt/redis/librejson.so" >> /etc/redis/redis.conf
systemctl restart redis-server