Koffan (#15467)

* Add koffan (ct)

* Update koffan.sh

* Update ct/koffan.sh

Co-authored-by: Sam Heinz <sam@samheinz.com>

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>
Co-authored-by: Sam Heinz <sam@samheinz.com>

install/koffan-install.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: (AminGholizad)
+# License: MIT | https://github.com/AminGholizad/ProxmoxVED/raw/main/LICENSE
+# Source: https://github.com/PanSalut/Koffan
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y build-essential
+msg_ok "Installed Dependencies"
+
+setup_go
+fetch_and_deploy_gh_release "koffan" "PanSalut/Koffan" "tarball"
+
+msg_info "Building Koffan"
+cd /opt/koffan
+$STD go build -o koffan main.go
+msg_ok "Built Koffan"
+
+msg_info "Configuring Koffan"
+APP_PASSWD=$(openssl rand -base64 12)
+mkdir /opt/koffan/data
+cat <<EOF >/opt/koffan/data/.env
+APP_ENV=production
+APP_PASSWORD=${APP_PASSWD}
+PORT=3000
+DB_PATH=/opt/koffan/data/shopping.db
+EOF
+cat <<EOF >~/koffan.creds
+Password: ${APP_PASSWD}
+EOF
+msg_ok "Configured Koffan"
+
+msg_info "Creating systemd service"
+cat <<EOF >/etc/systemd/system/koffan.service
+[Unit]
+Description=Koffan Service
+After=network.target
+
+[Service]
+EnvironmentFile=/opt/koffan/data/.env
+WorkingDirectory=/opt/koffan
+ExecStart=/opt/koffan/koffan
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now koffan
+msg_ok "Created systemd service"
+
+motd_ssh
+customize
+cleanup_lxc