gatus (#4443)

* 'Add new script'

* Update ct/gatus.sh

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: Slaviša Arežina <58952836+tremor021@users.noreply.github.com>

install/gatus-install.sh

@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: Slaviša Arežina (tremor021)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/TwiN/gatus
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt-get install -y \
+  ca-certificates \
+  libcap2-bin
+msg_ok "Installed Dependencies"
+
+install_go
+
+RELEASE=$(curl -s https://api.github.com/repos/TwiN/gatus/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
+msg_info "Setting up gatus v${RELEASE}"
+temp_file=$(mktemp)
+mkdir -p /opt/gatus
+curl -fsSL "https://github.com/TwiN/gatus/archive/refs/tags/v${RELEASE}.tar.gz" -o "$temp_file"
+tar zxf "$temp_file" --strip-components=1 -C /opt/gatus
+cd /opt/gatus
+$STD go mod tidy
+CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o gatus .
+setcap CAP_NET_RAW+ep gatus
+mv config.yaml config
+echo "${RELEASE}" >/opt/gatus_version.txt
+msg_ok "Done setting up gatus"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/gatus.service
+[Unit]
+Description=gatus Service
+After=network.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/gatus
+ExecStart=/opt/gatus/gatus
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now gatus
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+rm -f "$temp_file"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"
+
+motd_ssh
+customize