healthchecks (#7177)

* 'Add new script'

* add missing source

* Update documentation URL in healthchecks.

* Update source URL in healthchecks-install.sh

* Update healthchecks.json with additional notes

---------

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

install/healthchecks-install.sh

@@ -0,0 +1,136 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: MickLesk (Canbiz)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://healthchecks.io/
+
+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 \
+  gcc \
+  libpq-dev \
+  libcurl4-openssl-dev \
+  libssl-dev \
+  caddy
+msg_ok "Installed Dependencies"
+
+setup_uv
+PG_VERSION=16 setup_postgresql
+
+msg_info "Setup Database"
+DB_NAME=healthchecks_db
+DB_USER=hc_user
+DB_PASS=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13)
+SECRET_KEY="$(openssl rand -base64 32 | tr -dc 'a-zA-Z0-9' | cut -c1-32)"
+ADMIN_EMAIL="admin@helper-scripts.local"
+ADMIN_PASSWORD="$DB_PASS"
+
+$STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
+$STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
+$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"
+$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET default_transaction_isolation TO 'read committed';"
+$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET timezone TO 'UTC'"
+{
+  echo "healthchecks-Credentials"
+  echo "healthchecks Database User: $DB_USER"
+  echo "healthchecks Database Password: $DB_PASS"
+  echo "healthchecks Database Name: $DB_NAME"
+  echo "healthchecks Admin Email: $ADMIN_EMAIL"
+  echo "healthchecks Admin Password: $ADMIN_PASSWORD"
+} >>~/healthchecks.creds
+msg_ok "Set up Database"
+
+fetch_and_deploy_gh_release "healthchecks" "healthchecks/healthchecks"
+
+msg_info "Setup healthchecks"
+cd /opt/healthchecks
+mkdir -p /opt/healthchecks/static-collected/
+$STD uv pip install wheel gunicorn -r requirements.txt --system
+
+LOCAL_IP=$(hostname -I | awk '{print $1}')
+cat <<EOF >/opt/healthchecks/hc/local_settings.py
+DEBUG = False
+
+ALLOWED_HOSTS = ["${LOCAL_IP}", "127.0.0.1", "localhost"]
+CSRF_TRUSTED_ORIGINS = ["http://${LOCAL_IP}", "https://${LOCAL_IP}"]
+
+SECRET_KEY = "${SECRET_KEY}"
+
+SITE_ROOT = "http://${LOCAL_IP}:8000"
+SITE_NAME = "MyChecks"
+DEFAULT_FROM_EMAIL = "healthchecks@${LOCAL_IP}"
+
+STATIC_ROOT = "/opt/healthchecks/static-collected"
+COMPRESS_OFFLINE = True
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': '${DB_NAME}',
+        'USER': '${DB_USER}',
+        'PASSWORD': '${DB_PASS}',
+        'HOST': '127.0.0.1',
+        'PORT': '5432',
+        'TEST': {'CHARSET': 'UTF8'}
+    }
+}
+EOF
+
+$STD uv run -- python manage.py makemigrations
+$STD uv run -- python manage.py migrate --noinput
+$STD uv run -- python manage.py collectstatic --noinput
+$STD uv run -- python manage.py compress
+
+cat <<EOF | $STD uv run -- python manage.py shell
+from django.contrib.auth import get_user_model
+User = get_user_model()
+if not User.objects.filter(email="${ADMIN_EMAIL}").exists():
+    User.objects.create_superuser("${ADMIN_EMAIL}", "${ADMIN_EMAIL}", "${ADMIN_PASSWORD}")
+EOF
+msg_ok "Installed healthchecks"
+
+msg_info "Configuring Caddy"
+cat <<EOF >/etc/caddy/Caddyfile
+{
+    email admin@example.com
+}
+
+${LOCAL_IP} {
+    reverse_proxy 127.0.0.1:8000
+}
+EOF
+msg_ok "Configured Caddy"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/healthchecks.service
+[Unit]
+Description=Healthchecks Service
+After=network.target postgresql.service
+
+[Service]
+WorkingDirectory=/opt/healthchecks/
+ExecStart=/usr/local/bin/uv run -- gunicorn hc.wsgi:application --bind 127.0.0.1:8000
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now healthchecks caddy
+systemctl reload caddy
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"