feat: Generate a random Nightscout API_SECRET during installation, save it to ~/nightscout.creds, and update related documentation.

frontend/public/json/nightscout.json

@@ -33,7 +33,7 @@
   },
   "notes": [
     {
-      "text": "Nightscout requires configuring `my.env` with your Mongo connection string and API_SECRET. Default API_SECRET is `yoursecret123`.",
+      "text": "Nightscout requires configuring `my.env` with your Mongo connection string. API_SECRET has been generated and saved to `~/nightscout.creds`.",
       "type": "info"
     },
     {
@@ -41,7 +41,7 @@
       "type": "info"
     },
     {
-      "text": "Official Configuration Guide: [Nightscout Documentation](https://nightscout.github.io/nightscout/setup_variables/)",
+      "text": "Official Configuration Guide: https://nightscout.github.io/nightscout/setup_variables/",
       "type": "info"
     },
     {

install/nightscout-install.sh

@@ -14,9 +14,9 @@ update_os
 
 msg_info "Installing Dependencies"
 $STD apt install -y \
-  git \
   build-essential \
-  libssl-dev
+  libssl-dev \
+  openssl
 msg_ok "Installed Dependencies"
 
 MONGO_VERSION="8.0" setup_mongodb
@@ -30,10 +30,11 @@ msg_ok "Installed Nightscout"
 msg_info "Creating Service"
 useradd -s /bin/bash -m nightscout
 chown -R nightscout:nightscout /opt/nightscout
+API_SECRET=$(openssl rand -hex 16)
 cat <<EOF >/opt/nightscout/my.env
 MONGO_CONNECTION=mongodb://127.0.0.1:27017/nightscout
 BASE_URL=http://localhost:1337
-API_SECRET=yoursecret123
+API_SECRET=${API_SECRET}
 DISPLAY_UNITS=mg/dl
 ENABLE=careportal boluscalc food bwp cage sage iage iob cob basal ar2 rawbg pushover bgi pump openaps pvb linear custom
 INSECURE_USE_HTTP=true
@@ -58,6 +59,11 @@ EOF
 systemctl enable -q --now nightscout
 msg_ok "Created Service"
 
+{
+  echo "Nightscout Credentials"
+  echo "API_SECRET: ${API_SECRET}"
+} >> ~/nightscout.creds
+
 motd_ssh
 customize
 cleanup_lxc