Claude
f21c96c1a7
- joplin: self-hosted sync server (PostgreSQL sidecar, APP_BASE_URL from SITE_DOMAIN) - stirling-pdf: PDF toolkit with optional Authelia SSO (no built-in auth) - n8n: workflow automation connecting self-hosted services (WEBHOOK_URL from SITE_DOMAIN) - changedetection: web page change monitoring with playwright-chrome renderer - archivebox: personal Wayback Machine, initializes data dir at install time - calibre-web: ebook library UI with Calibre conversion support (linuxserver image) - homebox: home inventory and asset management All services follow the standalone bootstrap pattern and support local/remote Caddy. README.md updated with new services in appropriate group rows.
282 lines
10 KiB
Bash
282 lines
10 KiB
Bash
#!/bin/bash
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# services/changedetection.sh — Web page change detection and notification (Changedetection.io).
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# Part of the modular post-install system (sourced by setup.sh).
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#
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# Can also be run standalone on any machine:
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# sudo bash changedetection.sh
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# (Docker must already be installed when run standalone)
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# ── Standalone bootstrap ──────────────────────────────────────────────────────
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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[[ "$(id -u)" == "0" ]] || { echo "Run with sudo: sudo bash $0"; exit 1; }
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_SELF_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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_COMMON="$_SELF_DIR/../lib/common.sh"
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if [[ -f "$_COMMON" ]]; then
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source "$_COMMON"
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else
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log_info() { echo -e "\033[0;34m[INFO]\033[0m $*"; }
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log_success() { echo -e "\033[0;32m[OK]\033[0m $*"; }
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log_warning() { echo -e "\033[1;33m[WARN]\033[0m $*"; }
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log_error() { echo -e "\033[0;31m[ERROR]\033[0m $*" >&2; }
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require_docker() {
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command -v docker &>/dev/null || {
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log_error "Docker not found. Install it first:"
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log_error " curl -fsSL https://get.docker.com | sudo sh"
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return 1
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}
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docker compose version &>/dev/null || {
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log_error "Docker Compose plugin missing:"
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log_error " sudo apt-get install -y docker-compose-plugin"
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return 1
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}
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}
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ensure_docker_dir_ownership() {
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chown -R "$ACTUAL_USER:$ACTUAL_USER" "$@" 2>/dev/null || true
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}
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prompt_text() {
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local _q="$1" _def="$2" _var="$3" _r
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[[ "${UNATTENDED:-false}" == "true" ]] && { eval "$_var='$_def'"; return; }
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read -r -p " $_q " _r
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eval "$_var='${_r:-$_def}'"
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}
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prompt_yn() {
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local _q="$1" _def="$2" _var="$3" _r
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[[ "${UNATTENDED:-false}" == "true" ]] && { eval "$_var='$_def'"; return; }
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read -r -p " $_q " _r
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eval "$_var='${_r:-$_def}'"
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}
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configure_caddy_for_service() {
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local _name="$1" _upstream="$2" _subdomain="$3" _extra="${4:-}"
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local _caddy_dir="$DOCKER_DIR/caddy"
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local _caddyfile="$_caddy_dir/Caddyfile"
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local _display_port="${_upstream##*:}"
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# Determine mode: local Caddy, remote Caddy, or none
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local _mode="none"
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[[ -d "$_caddy_dir" ]] && _mode="local"
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[[ -n "${CADDY_REMOTE_HOST:-}" ]] && [[ "$_mode" != "local" ]] && _mode="remote"
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[[ "$_mode" == "none" ]] && {
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log_info "Access $_name directly on port $_display_port."
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return 0
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}
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echo ""
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local _do_caddy=""
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if [[ "$_mode" == "remote" ]]; then
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log_info "Remote Caddy configured (${CADDY_REMOTE_HOST})."
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log_info "A snippet file will be saved to ~/docker/caddy-snippets/."
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fi
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read -r -p " Configure Caddy reverse proxy for $_name? [y/N]: " _do_caddy
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[[ "${_do_caddy,,}" == "y" ]] || {
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log_info "Skipping — access at: http://localhost:$_display_port"
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return 0
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}
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# Domain prompt — pre-fill from SITE_DOMAIN when available
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local _default_domain=""
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if [[ -n "${SITE_DOMAIN:-}" ]] && [[ "$SITE_DOMAIN" != "example.com" ]]; then
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_default_domain="${_subdomain}.${SITE_DOMAIN}"
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log_info "Default: $_default_domain"
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fi
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local _domain=""
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read -r -p " Domain [${_default_domain:-required}]: " _domain
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_domain="${_domain:-$_default_domain}"
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[[ -n "$_domain" ]] || { log_warning "No domain entered — skipping Caddy."; return 0; }
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# Build upstream — remote Caddy uses host IP:port, not container name
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local _block_upstream="$_upstream"
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if [[ "$_mode" == "remote" ]]; then
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_block_upstream="${CADDY_REMOTE_HOST}:${_display_port}"
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fi
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local _site_block
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_site_block="$(cat << CBLOCK
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# $_name
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${_domain} {
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reverse_proxy ${_block_upstream}
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header {
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Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
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X-Content-Type-Options "nosniff"
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X-Frame-Options "SAMEORIGIN"
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Referrer-Policy "strict-origin-when-cross-origin"
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}
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log {
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output file /var/log/caddy/${_domain}.log
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format json
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}
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${_extra}
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}
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CBLOCK
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)"
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if [[ "$_mode" == "local" ]]; then
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if [[ -f "$_caddyfile" ]]; then
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local _bk="$_caddy_dir/Caddyfile.backup.$(date +%Y%m%d-%H%M%S)"
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cp "$_caddyfile" "$_bk"
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log_info "Backed up Caddyfile to $(basename "$_bk")"
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else
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touch "$_caddyfile"
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fi
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if grep -q "^${_domain}" "$_caddyfile" 2>/dev/null; then
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log_warning "$_domain already in Caddyfile"
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local _ow=""
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read -r -p " Overwrite? [y/N]: " _ow
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[[ "${_ow,,}" == "y" ]] || { log_info "Keeping existing entry."; return 0; }
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sed -i "/^${_domain}/,/^}/d" "$_caddyfile"
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fi
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printf '%s\n' "$_site_block" >> "$_caddyfile"
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log_success "Added $_domain to Caddyfile"
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docker exec caddy caddy fmt --overwrite /etc/caddy/Caddyfile 2>/dev/null || true
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if docker exec caddy caddy reload --config /etc/caddy/Caddyfile 2>/dev/null; then
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log_success "$_name accessible at: https://$_domain"
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else
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log_warning "Reload failed — check: docker logs caddy"
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log_info "Manual reload: docker exec caddy caddy reload --config /etc/caddy/Caddyfile"
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fi
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else
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local _snippet_dir="$DOCKER_DIR/caddy-snippets"
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local _snippet_file="$_snippet_dir/${_subdomain}.caddy"
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mkdir -p "$_snippet_dir"
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printf '%s\n' "$_site_block" > "$_snippet_file"
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chown "$ACTUAL_USER:$ACTUAL_USER" "$_snippet_file" 2>/dev/null || true
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log_success "Snippet saved: $_snippet_file"
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log_info "Copy to Caddy machine:"
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log_info " scp $_snippet_file caddy-host:~/caddy-snippets/"
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log_info " rsync -av $_snippet_dir/ caddy-host:~/caddy-snippets/ (all at once)"
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fi
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}
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write_readme() {
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local _dir="$1"; shift
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mkdir -p "$_dir"
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cat > "$_dir/README.md"
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}
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fi
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ACTUAL_USER="${ACTUAL_USER:-${SUDO_USER:-$USER}}"
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ACTUAL_HOME="$(getent passwd "$ACTUAL_USER" 2>/dev/null | cut -d: -f6 || echo "${HOME:-/root}")"
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DOCKER_DIR="${DOCKER_DIR:-$ACTUAL_HOME/docker}"
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DRY_RUN="${DRY_RUN:-false}"
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UNATTENDED="${UNATTENDED:-false}"
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SITE_TZ="${SITE_TZ:-$(cat /etc/timezone 2>/dev/null || echo UTC)}"
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SITE_DOMAIN="${SITE_DOMAIN:-example.com}"
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SITE_CADDY_NET="${SITE_CADDY_NET:-caddy_net}"
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CADDY_REMOTE_HOST="${CADDY_REMOTE_HOST:-}"
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register_service() { :; }
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_RUN_STANDALONE=1
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fi
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# ─────────────────────────────────────────────────────────────────────────────
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register_service changedetection utilities "Web page change detection and notification (Changedetection.io)" 5000
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install_changedetection() {
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require_docker || return 1
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log_info "Installing Changedetection.io..."
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local CD_DIR="$DOCKER_DIR/changedetection"
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if [ "$DRY_RUN" = true ]; then
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echo "[DRY-RUN] Would create $CD_DIR"
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echo "[DRY-RUN] Would write docker-compose.yml and .env"
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return 0
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fi
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mkdir -p "$CD_DIR/data"
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ensure_docker_dir_ownership "$CD_DIR"
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cd "$CD_DIR" || return 1
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cat > docker-compose.yml << 'CD_COMPOSE'
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name: changedetection
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services:
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changedetection:
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image: ghcr.io/dgtlmoon/changedetection.io:latest
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container_name: changedetection
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hostname: changedetection
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restart: unless-stopped
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env_file: .env
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ports:
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- "5000:5000"
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volumes:
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- ./data:/datastore
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depends_on:
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- playwright-chrome
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networks:
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- caddy_net
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playwright-chrome:
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image: browserless/chrome:latest
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container_name: playwright-chrome
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hostname: playwright-chrome
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restart: unless-stopped
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environment:
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- DEFAULT_LAUNCH_ARGS=--no-sandbox --disable-dev-shm-usage
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networks:
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- caddy_net
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networks:
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caddy_net:
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external: true
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name: ${CADDY_NET:-caddy_net}
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CD_COMPOSE
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cat > .env << CD_ENV
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# Changedetection.io configuration
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BASE_URL=https://changes.${SITE_DOMAIN}
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PLAYWRIGHT_DRIVER_URL=ws://playwright-chrome:3000
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CADDY_NET=${SITE_CADDY_NET}
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CD_ENV
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chown -R "$ACTUAL_USER:$ACTUAL_USER" "$CD_DIR"
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echo ""
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log_success "Changedetection.io configured at $CD_DIR"
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configure_caddy_for_service "Changedetection" "changedetection:5000" "changes"
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write_readme "$CD_DIR" << 'MD'
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# Changedetection.io
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Monitor web pages for changes and receive notifications. Includes a
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Playwright/Chrome sidecar for JavaScript-rendered pages.
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## Access
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- URL: http://localhost:5000
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- Optional password can be set via Settings in the UI
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## Manage
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```bash
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docker compose up -d
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docker compose down
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docker compose logs -f
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docker compose pull && docker compose down && docker compose up -d
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```
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MD
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local START_CD=""
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prompt_yn "Start Changedetection.io now? (y/n):" "y" START_CD
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if [ "$START_CD" = "y" ] || [ "$START_CD" = "Y" ]; then
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docker compose up -d 2>/dev/null \
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&& log_success "Changedetection.io started" \
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|| log_warning "Failed to start — check: docker compose logs"
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fi
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echo " Access at: http://localhost:5000"
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echo ""
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}
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# Run immediately when executed directly (deferred until after function definition)
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[[ "${_RUN_STANDALONE:-0}" == 1 ]] && install_changedetection
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