chore: add linux-aarch64 scripts (#1032)

scripts/linux-aarch64/Caddyfile.example

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+# Example Caddyfile to run Alby Hub behind a Caddy reverse proxy
+# Caddy has embedded letsencrypt support and creates HTTPS certificates
+# learn more: https://caddyserver.com/docs/getting-started
+
+# Refer to the Caddy docs for more information:
+# https://caddyserver.com/docs/caddyfile
+
+
+:80 {
+        # optional additional basic authentication
+        # the password is hashed, see Caddy documentation: https://caddyserver.com/docs/caddyfile/directives/basic_auth
+        #basicauth {
+                # Username "Bob", password "hiccup"
+		            # Bob $2a$14$Zkx19XLiW6VYouLHR5NmfOFU0z2GTNmpkT/5qqR7hx4IjWJPDhjvG
+        #}
+
+        # Alby Hub runs on 8029 by default
+        reverse_proxy :8029
+}

scripts/linux-aarch64/README.md

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+# Alby Hub on a Linux server
+
+## Requirements
+
+- Linux distribution
+- Runs pretty much on any VPS/server with 512MB RAM or more (1GB recommended / plus some swap space ideally)
+- lightning port 9735 must be available
+
+### Installation (non-Docker)
+
+We have prepared an installation script that installs Alby Hub for you.
+We recommend inspecting the install script and if needed adjusting it or taking inspiration from it for your setup.
+
+If you do a fresh server setup make sure to do the basic setup like for example creating a new user and configuring the firewall. Here is a [simple tutorial for this](https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu).
+
+Run the installation script on your server:
+
+    $ /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/getAlby/hub/master/scripts/linux-aarch64/install.sh)"
+
+The install script will prompt you for an installation folder and will install Alby Hub.
+Optionally it can also create a systemd service for you.
+
+You can also do these quite simple steps manually, have a look in the install script for details.
+
+Alby Hub will run on localhost:8080 (standalone) or localhost:8029 (when run with a systemd service) configurable using the `PORT` environment variable or by editing `Environment="PORT=8029"` in the albyhub.service systemd config file - See "Editing The Service" below)
+
+To run on a public domain we recommend the use of a reverse proxy using [Caddy](https://caddyserver.com/)
+
+### Running the services
+
+Either use systemd:
+
+    $ sudo systemctl [start|stop] albyhub.service
+
+Or use the start scripts:
+
+    $ [your install path]/start.sh
+
+### Viewing Logs (systemd)
+
+    $ sudo journalctl -u albyhub
+
+### Editing The Service (systemd)
+
+    $ sudo nano /etc/systemd/system/albyhub.service
+    $ sudo systemctl daemon-reload
+    $ sudo systemctl restart albyhub.service
+
+### Backup !
+
+Make sure to backup your data directories:
+
+- `[your install path]/data`
+
+### Update
+
+The install script will add an update.sh script to update Alby Hub. It will download the latest version for you.
+
+After the update you will have to unlock Alby Hub again.
+
+### Using Docker
+
+Alby Hub comes as docker image: [ghcr.io/getalby/hub:latest](https://github.com/getAlby/hub/pkgs/container/hub)
+
+    $ docker run -v .albyhub-data:/data -e WORK_DIR='/data' -p 8080:8080 ghcr.io/getalby/hub:latest`
+
+We also provide a simple docker-compose file:
+
+    $ wget https://raw.githubusercontent.com/getAlby/hub/master/docker-compose.yml # <- make sure to update platform
+    $ mkdir ./albyhub-data
+    $ docker-compose up # or docker-compose up --pull=always <- to make sure you get the latest images
+
+Make sure to mount and backup the data working directory.

scripts/linux-aarch64/install.sh

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+#!/bin/bash
+
+ALBYHUB_URL="https://getalby.com/install/hub/server-linux-aarch64.tar.bz2"
+echo ""
+echo ""
+echo "⚡️ Welcome to Alby Hub"
+echo "-----------------------------------------"
+echo "Installing Alby Hub"
+echo ""
+read -p "Absolute install directory path (default: $HOME/albyhub): " USER_INSTALL_DIR
+
+INSTALL_DIR="${USER_INSTALL_DIR:-$HOME/albyhub}"
+
+# create installation directory
+mkdir -p $INSTALL_DIR
+cd $INSTALL_DIR
+
+# download and extract the Alby Hub executable
+wget $ALBYHUB_URL
+tar xvf server-linux-aarch64.tar.bz2
+if [[ $? -ne 0 ]]; then
+  echo "Failed to unpack Alby Hub. Potentially bzip2 is missing"
+  echo "Install it with sudo apt-get install bzip2"
+  exit
+fi
+
+rm server-linux-aarch64.tar.bz2
+
+# prepare the data directory. this is pesistent and will hold all important data
+mkdir -p $INSTALL_DIR/data
+
+# create a simple start script that sets the default configuration variables
+tee $INSTALL_DIR/start.sh > /dev/null << EOF
+#!/bin/bash
+
+echo "Starting Alby Hub"
+WORK_DIR="$INSTALL_DIR/data" LOG_EVENTS=true LDK_GOSSIP_SOURCE="" $INSTALL_DIR/bin/albyhub
+EOF
+chmod +x $INSTALL_DIR/start.sh
+
+# add an update script to keep the Hub up to date
+# run this to update the hub
+wget https://raw.githubusercontent.com/getAlby/hub/master/scripts/linux-aarch64/update.sh
+chmod +x $INSTALL_DIR/update.sh
+
+echo ""
+echo ""
+echo "✅ Installation done."
+echo ""
+
+# optionally create a systemd service to start alby hub
+read -p "Do you want to setup a systemd service (requires sudo permission)? (y/n): " -n 1 -r
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+  echo ""
+  echo ""
+  echo "Run $INSTALL_DIR/start.sh to start Alby Hub"
+  echo "✅ DONE"
+  exit
+fi
+
+sudo tee /etc/systemd/system/albyhub.service > /dev/null << EOF
+[Unit]
+Description=Alby Hub
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+Restart=always
+RestartSec=1
+User=$USER
+ExecStart=$INSTALL_DIR/start.sh
+Environment="PORT=8029"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+echo ""
+echo ""
+
+sudo systemctl enable albyhub
+sudo systemctl start albyhub
+
+echo "Run 'sudo systemctl start/stop albyhub' to start/stop AlbyHub"
+echo ""
+echo ""
+echo " ✅ DONE. Open Alby Hub to get started"
+echo "Alby Hub runs by default on localhost:8029"

scripts/linux-aarch64/update.sh

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+#!/bin/bash
+
+ALBYHUB_URL="https://getalby.com/install/hub/server-linux-aarch64.tar.bz2"
+echo ""
+echo ""
+echo "⚡️ Updating Alby Hub"
+echo "-----------------------------------------"
+echo "This will download the latest version of Alby Hub."
+echo "You will have to unlock Alby Hub after the update."
+echo ""
+echo "Make sure you have your unlock password available and a backup of your seed."
+
+read -p "Do you want continue? (y/n):" -n 1 -r
+if [[ ! $REPLY =~ ^[Yy]$ ]]
+then
+  exit
+fi
+echo ""
+
+sudo systemctl list-units --type=service --all | grep -Fq albyhub.service
+if [[ $? -eq 0 ]]; then
+  echo "Stopping Alby Hub"
+  sudo systemctl stop albyhub
+fi
+
+if pgrep -x "albyhub" > /dev/null
+then
+  echo "Alby Hub process is still running, stopping it now."
+  pkill -f albyhub
+fi
+
+SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
+read -p "Absolute install directory path (default: $SCRIPT_DIR): " USER_INSTALL_DIR
+echo ""
+
+INSTALL_DIR="${USER_INSTALL_DIR:-$SCRIPT_DIR}"
+
+if ! test -f $INSTALL_DIR/data/nwc.db; then
+  echo "Could not find Alby Hub in this directory"
+  exit 1
+fi
+
+
+echo "Running in $INSTALL_DIR"
+# make sure we run this in the install directory
+cd $INSTALL_DIR
+
+echo "Cleaning up old backup"
+rm -rf albyhub-backup
+mkdir albyhub-backup
+
+echo "Creating current backup"
+mv bin albyhub-backup
+mv lib albyhub-backup
+cp -r data albyhub-backup
+
+
+echo "Downloading latest version"
+wget $ALBYHUB_URL
+tar -xvf server-linux-aarch64.tar.bz2
+rm server-linux-aarch64.tar.bz2
+
+sudo systemctl list-units --type=service --all | grep -Fq albyhub.service
+if [[ $? -eq 0 ]]; then
+  echo "Starting Alby Hub"
+  sudo systemctl start albyhub
+fi
+
+echo ""
+echo ""
+echo "✅ Update finished! Please unlock your wallet."
+echo ""