Install docker compose on Unraid

intall_docker_compose.sh

#!/usr/bin/env bash

### Config Properties
bin_destination="./output/docker-compose" #"/usr/local/bin/docker-compose"
bin_cache_destination="./output/docker-compose-cache" #"/boot/config/docker-compose"
default_version="v2.40.3"
check_latest=false
proceed_if_error=true
### End Config Properties

### Automatic Params
version=""
### End Automatic Params

### Functions
log(){
    local level=""
    local msg=""
    if [ -z "$2" ]; then
        level="INFO"
        msg=$1
    else
        level=$1
        msg=$2
    fi
    echo "[$level] $msg"
}

log_error(){
    log "ERROR" "$1"
}

check_latest_version() {
    curl -s https://api.github.com/repos/docker/compose/releases/latest | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/'

}

### End Funtions

# Make cache localtion ready
log "Ensuring cache location exists"
mkdir -p $bin_cache_destination

# Check version
if [[ "$check_latest" == "true" ]]; then
    version=$(check_latest_version)
    if [ -z "$version" ]; then
        log_error "Unable to check latest version from web"
        if [ $proceed_if_error != "true" ]; then log_error "Aborting..." ;exit -1; fi

        log "Getting the latest version from cache"
        version=$(ls $bin_cache_destination | sort -n | tail -1)

        if [ -z "$version" ]; then log_error "Cache is empty. Aborting..." ;exit -1; fi
    fi
else
    version=$default_version
fi

log "Will be installed docker compose version $version"
log "Check if $version is available in cache"

if [ -e "$bin_cache_destination/$version" ]; then
    log "$version available in cache. Skiping download"
else
    log "Downloading $version and saving it to cache folder"
    wget "https://github.com/docker/compose/releases/download/$version/docker-compose-linux-x86_64" -O "$bin_cache_destination/$version" >> /dev/null

    if [ $? -ne 0 ]; then
        log_error "Error downloading $version from web"
        if [ $proceed_if_error != "true" ]; then log_error "Aborting..." ;exit -1; fi
        
        log "Getting the latest version from cache"
        version=$(ls $bin_cache_destination | sort -n | tail -1)

        if [ -z "$version" ]; then log_error "Cache is empty. Aborting..." ;exit -1; fi
    fi

fi
log "Copying the file"
cp "$bin_cache_destination/$version" "$bin_destination"

log "Making $bin_destination executable"
chmod +x $bin_destination

log "Installation complete"

log "Checking installation"
source ~/.bashrc
docker-compose --version

# Confirma a conclusão
if [ $? -eq 0 ]; then
    log "Docker Compose $version installed successfully!"
else
    log_error "Installation failed. Check logs for more details"
fi