feat: Add Nightscout Proxmox CT template, installation scripts, and application metadata.

ct/nightscout.sh

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+#!/usr/bin/env bash
+source <(curl -s https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: aendel
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/nightscout/cgm-remote-monitor
+
+APP="Nightscout"
+var_tags="${var_tags:-arr;health}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-2048}"
+var_disk="${var_disk:-10}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-12}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+    header_info
+    check_container_storage
+    check_container_resources
+    if [[ ! -d /opt/nightscout ]]; then
+        msg_error "No ${APP} Installation Found!"
+        exit
+    fi
+    msg_info "Updating ${APP}"
+    systemctl stop nightscout
+    cd /opt/nightscout || exit
+    git pull
+    npm install
+    systemctl start nightscout
+    msg_ok "Updated ${APP}"
+    exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:1337${CL}"
+echo -e "${INFO}${YW} Configuration:${CL}"
+echo -e "${TAB} Edit /opt/nightscout/my.env to configure your CGM source (Dexcom/CareLink)"
+echo -e "${TAB} Then run: ${BGN}systemctl restart nightscout${CL}"

frontend/public/json/nightscout.json

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+{
+  "name": "Nightscout",
+  "slug": "nightscout",
+  "categories": [
+    0
+  ],
+  "date_created": "2025-01-17",
+  "type": "ct",
+  "updateable": true,
+  "privileged": false,
+  "interface_port": 1337,
+  "documentation": "https://nightscout.github.io/",
+  "website": "http://www.nightscout.info/",
+  "logo": "https://raw.githubusercontent.com/nightscout/cgm-remote-monitor/master/static/images/large.png",
+  "config_path": "/opt/nightscout/my.env",
+  "description": "Nightscout is an open source, DIY project that allows real time access to a CGM data via personal website, smartwatch watchers, or apps and widgets available for smartphones.",
+  "install_methods": [
+    {
+      "type": "default",
+      "script": "ct/nightscout.sh",
+      "resources": {
+        "cpu": 2,
+        "ram": 2048,
+        "hdd": 10,
+        "os": "debian",
+        "version": "12"
+      }
+    }
+  ],
+  "default_credentials": {
+    "username": null,
+    "password": null
+  },
+  "notes": [
+    {
+      "text": "Nightscout requires configuring `my.env` with your Mongo connection string and API_SECRET. Default API_SECRET is `yoursecret123`.",
+      "type": "info"
+    },
+    {
+      "text": "Official Configuration Guide: [Nightscout Documentation](https://nightscout.github.io/nightscout/setup_variables/)",
+      "type": "link"
+    },
+    {
+      "text": "Nightscout requires HTTPS for many features (security, tokens, PWA). Usage of a reverse proxy (e.g. Nginx Proxy Manager) is highly recommended.",
+      "type": "warning"
+    }
+  ]
+}

install/nightscout-install.sh

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+#!/usr/bin/env bash
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: aendel
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/nightscout/cgm-remote-monitor
+
+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 git curl build-essential libssl-dev
+msg_ok "Installed Dependencies"
+
+MONGO_VERSION="8.0" setup_mongodb
+NODE_VERSION="22" setup_nodejs
+
+msg_info "Installing Nightscout (Patience)"
+cd /opt || exit
+git clone https://github.com/nightscout/cgm-remote-monitor.git nightscout
+cd nightscout || exit
+$STD npm install
+msg_ok "Installed Nightscout"
+
+msg_info "Creating Service"
+useradd -s /bin/bash -m nightscout
+chown -R nightscout:nightscout /opt/nightscout
+
+# Create a default my.env file if it doesn't exist, to prevent crash on start if user doesn't configure it immediately?
+# Nightscout needs env vars to run. We will create a template.
+cat <<EOF > /opt/nightscout/my.env
+# DB connection string. 
+# MongoDB is installed locally on port 27017. 
+# You should create a DB and user in Mongo, or trust localhost auth.
+# For simplicity in this script we assume localhost with no auth for local binding or the user must configure it.
+# However, the installation guide recommends creating a user.
+# For now, we point to localhost test DB.
+MONGO_CONNECTION=mongodb://127.0.0.1:27017/nightscout
+BASE_URL=http://localhost:1337
+API_SECRET=yoursecret123
+DISPLAY_UNITS=mg/dl
+ENABLE=careportal boluscalc food bwp cage sage iage iob cob basal ar2 rawbg pushover bgi pump openaps pvb linear custom
+# Allow HTTP (avoids redirect loops with reverse proxies)
+INSECURE_USE_HTTP=true
+EOF
+chown nightscout:nightscout /opt/nightscout/my.env
+
+cat <<EOF >/etc/systemd/system/nightscout.service
+[Unit]
+Description=Nightscout CGM Service
+After=network.target mongodb.service
+
+[Service]
+Type=simple
+User=nightscout
+WorkingDirectory=/opt/nightscout
+EnvironmentFile=/opt/nightscout/my.env
+# Some deployments use 'npm start', others 'node server.js'. npm start is safer.
+ExecStart=/usr/bin/npm start
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl enable -q --now nightscout
+msg_ok "Created Service"
+
+motd_ssh
+customize
+cleanup_lxc