Create initial installer

install-docker-appliance.sh

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+#!/bin/bash
+# ------------------------------------------------------------------------------
+# install-docker-appliance.sh
+#
+# Installs a lightweight Docker management appliance on Debian with Portainer.
+#
+# Copyright (c) Robbie Ferguson
+# https://baldnerd.com
+# All rights reserved.
+# ------------------------------------------------------------------------------
+
+set -e
+
+APP_NAME="Docker Appliance"
+INSTALL_USER="${SUDO_USER:-$(whoami)}"
+TIMESTAMP=$(date "+%Y-%m-%d %H:%M:%S")
+LOG_FILE="/var/log/docker-appliance-install.log"
+
+log() {
+  echo "[$TIMESTAMP] $1" | tee -a "$LOG_FILE"
+}
+
+header() {
+  echo
+  echo "====================================="
+  echo "$1"
+  echo "====================================="
+}
+
+header "Starting $APP_NAME Installation"
+
+log "Updating system..."
+apt update && apt upgrade -y
+
+header "Installing dependencies..."
+apt install -y curl ca-certificates gnupg lsb-release software-properties-common apt-transport-https unzip sudo
+
+header "Installing Docker..."
+curl -fsSL https://get.docker.com -o get-docker.sh
+sh get-docker.sh
+log "Docker installed."
+
+log "Adding $INSTALL_USER to docker group..."
+usermod -aG docker "$INSTALL_USER"
+
+header "Installing Docker Compose plugin..."
+apt install -y docker-compose-plugin
+log "Docker Compose plugin installed."
+
+header "Launching Portainer container..."
+docker volume create portainer_data
+
+docker run -d \
+  --name portainer \
+  -p 9000:9000 \
+  -p 8000:8000 \
+  --restart=always \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  -v portainer_data:/data \
+  portainer/portainer-ce:latest
+log "Portainer running on port 9000"
+
+# ============================
+# Setup NGINX reverse proxy
+# ============================
+
+header "Installing NGINX..."
+apt install -y nginx
+
+log "Creating reverse proxy for Portainer..."
+cat >/etc/nginx/sites-available/portainer <<EOF
+server {
+    listen 80;
+    server_name docker.local;
+
+    location / {
+        proxy_pass http://localhost:9000/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade \$http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host \$host;
+        proxy_cache_bypass \$http_upgrade;
+    }
+}
+EOF
+
+ln -sf /etc/nginx/sites-available/portainer /etc/nginx/sites-enabled/portainer
+nginx -t && systemctl reload nginx
+log "NGINX reverse proxy set up for http://docker.local"
+
+# ============================
+# Prepare for Certbot
+# ============================
+
+header "Installing Certbot (not running yet)..."
+apt install -y certbot python3-certbot-nginx
+log "Certbot installed. To enable HTTPS, run: certbot --nginx"
+
+header "$APP_NAME setup complete!"
+log "Access Portainer at http://docker.local or http://<your-ip>:9000"
+log "Reboot recommended to finalize docker group membership."