Add automated TLS renewal and deployment documentation

Co-Authored-By: Oz <oz-agent@warp.dev>

.env

@@ -1,10 +0,0 @@
-# .env
-# Database
-NEXTCLOUD_DB_NAME=nextcloud
-NEXTCLOUD_DB_USER=nextcloud
-NEXTCLOUD_DB_PASSWORD=u@ZFN8y8WzwVPgE
-NEXTCLOUD_DB_ROOT_PASSWORD=FNEyZG6pzPv*uf9
-
-# Nextcloud admin
-NEXTCLOUD_ADMIN_USER=admin
-NEXTCLOUD_ADMIN_PASSWORD=7VZxFLJd-8Lb*pp

.env.example

@@ -0,0 +1,9 @@
+# Database
+NEXTCLOUD_DB_NAME=nextcloud
+NEXTCLOUD_DB_USER=nextcloud
+NEXTCLOUD_DB_PASSWORD=change-me
+NEXTCLOUD_DB_ROOT_PASSWORD=change-me
+
+# Nextcloud admin
+NEXTCLOUD_ADMIN_USER=admin
+NEXTCLOUD_ADMIN_PASSWORD=change-me

.gitignore

@@ -0,0 +1,12 @@
+# Local runtime configuration
+.env
+.tls-renewal.env
+
+# Runtime TLS artifacts (never commit private keys/certs)
+nginx/ssl/*.crt
+nginx/ssl/*.key
+nginx/ssl/*.pem
+nginx/ssl/letsencrypt/
+
+# Runtime logs
+logs/

.tls-renewal.env.example

@@ -0,0 +1,5 @@
+# Used by scripts/renew-production-tls.sh in non-interactive contexts (e.g. cron)
+# Copy to .tls-renewal.env and adjust values.
+LETSENCRYPT_EMAIL=you@example.com
+CLOUDFLARE_TOKEN_SCRIPT=$HOME/bin/cloudflare-api-usertoken.sh
+CF_DNS_PROPAGATION_SECONDS=60

README.md

@@ -1,34 +1,86 @@
 # Nextcloud on Ubuntu via Docker for nxt.bhatfamily.in
-
+This repository deploys Nextcloud behind Nginx using Docker Compose.
-This repo deploys Nextcloud using Docker on Ubuntu, fronted by Nginx on:
+Exposed ports:
-
+- HTTP: `8082`
-- HTTP: 8082
+- HTTPS: `8446`
-- HTTPS: 8446
+Target hostname:
-
+- `nxt.bhatfamily.in`
-It is intended to serve the hostname **nxt.bhatfamily.in**.
+## What changed
-
+The stack now includes:
+- Fixed Nginx mount path (`nginx/nginx.conf` mapped correctly)
+- Fixed MariaDB command (`mariadbd`)
+- Nginx reverse proxy mode for `nextcloud:apache` (no FastCGI mismatch)
+- Production TLS provisioning using Let's Encrypt DNS-01 with Cloudflare
+- Automated TLS renewal job support (cron)
 ## Prerequisites
-
+- Ubuntu host with Docker + Docker Compose plugin (or `docker-compose`)
-- Ubuntu host with Docker and Docker Compose installed
+- Domain `nxt.bhatfamily.in` in Cloudflare DNS
-- Static public IP (or Cloudflare Tunnel)
+- DNS A record for `nxt` pointing to your server public IP (DNS-only)
-- Domain `bhatfamily.in` managed in Cloudflare
+- Router/firewall forwarding for ports `8082` and `8446`
-- Basic familiarity with UFW and router port forwarding
+## Initial setup
-
+1. Create runtime env file:
-## DNS (Cloudflare)
-
-1. In Cloudflare DNS for `bhatfamily.in`, create:
-
-   - Type: A  
-   - Name: `nxt`  
-   - IPv4: your Ubuntu server public IP  
-   - Proxy: DNS only (grey cloud)  
-
-2. Forward ports 8082 and 8446 from your router to the Ubuntu host.
-
-## First-time setup
-
-1. Clone this repo and enter directory:
-
 ```bash
-   git clone <your-repo-url> nextcloud-docker-nxt.bhatfamily.in
+cp .env.example .env
-   cd nextcloud-docker-nxt.bhatfamily.in
+```
+2. Edit `.env` with strong values.
+3. Start stack with bootstrap TLS:
+```bash
+./scripts/install.sh
+```
+4. Validate:
+```bash
+./scripts/test.sh
+```
+## Production TLS (Let's Encrypt + Cloudflare DNS-01)
+1. Export credentials in shell:
+```bash
+export CF_DNS_API_TOKEN={{CF_DNS_API_TOKEN}}
+export LETSENCRYPT_EMAIL={{LETSENCRYPT_EMAIL}}
+```
+2. Issue/renew and install production cert:
+```bash
+./scripts/provision-production-tls.sh
+```
+3. Reload Nginx container:
+```bash
+docker compose restart web
+```
+4. Verify cert:
+```bash
+echo | openssl s_client -connect nxt.bhatfamily.in:8446 -servername nxt.bhatfamily.in 2>/dev/null | openssl x509 -noout -subject -issuer -dates
+```
+## Automated renewal job (cron)
+1. Ensure your Cloudflare token export script exists (default path used by renewal wrapper):
+- `~/bin/cloudflare-api-usertoken.sh`
+2. Install/update renewal cron entry:
+```bash
+./scripts/setup-renewal-cron.sh
+```
+This script will:
+- create/update `.tls-renewal.env` (local only, not committed)
+- install a daily cron job (`03:17` by default)
+- write logs to `logs/tls-renew.log`
+3. Manual renewal run (same path cron uses):
+```bash
+./scripts/renew-production-tls.sh
+```
+## Useful commands
+Start/update containers:
+```bash
+docker compose up -d
+```
+Restart all services:
+```bash
+docker compose restart
+```
+Restart web only:
+```bash
+docker compose restart web
+```
+Stop and remove containers/volumes:
+```bash
+./scripts/uninstall.sh
+```
+## Security notes
+- `.env`, `.tls-renewal.env`, and runtime cert material under `nginx/ssl` are intentionally ignored by Git.
+- If secrets were ever committed earlier, rotate them.

docker-compose.yml

@@ -1,6 +1,4 @@
 # docker-compose.yml
-version: "3.8"
-
 services:
   db:
     image: mariadb:11

nginx/ssl/dhparam.pem

@@ -1,8 +0,0 @@
------BEGIN DH PARAMETERS-----
-MIIBCAKCAQEA6URKKHp177eP2+UP//DCEmAP63DpZNtVQeC0PO3x14Jomg6bicVa
-ySBkEGtSHw2WMtcGe/4P0AyrPuVL8VgIUvFXzLO2j8XeHZ/Gu5LWZw3bAwONBUC2
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-PSCPvvZE17P5oQhRgLhCWe2VW7TchRLy4FTk8Iv2HV7ndDzZEsXIGjy8MgyDQNCd
-YxIIa1Fkw90Bzw8htyNX3AcakTlWy8d/ZwIBAg==
------END DH PARAMETERS-----

nginx/ssl/nxt.bhatfamily.in.crt

@@ -1,30 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIFGTCCAwGgAwIBAgIUHAA348XpRrN8g/F5MM2n1PRwGOQwDQYJKoZIhvcNAQEL
-BQAwHDEaMBgGA1UEAwwRbnh0LmJoYXRmYW1pbHkuaW4wHhcNMjYwNDE3MDIzMDU4
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-UunNLvfJ2QgFnV0yYw==
------END CERTIFICATE-----

nginx/ssl/nxt.bhatfamily.in.key

@@ -1,52 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIJQQIBADANBgkqhkiG9w0BAQEFAASCCSswggknAgEAAoICAQCsoFQ/ZZ/dNVSS
-IYqu3A7uUJsbwjfo5XzM0g3iK4u0g6gShYC4eZfnNEnXTaSpkap0i1gBT6yWykV7
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------END PRIVATE KEY-----

scripts/install.sh

@@ -6,60 +6,68 @@ REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 SSL_DIR="${REPO_DIR}/nginx/ssl"
 DOMAIN="nxt.bhatfamily.in"
 
-echo "==> Ensuring required packages are installed (docker, docker-compose, ufw, openssl)..."
 if ! command -v docker >/dev/null 2>&1; then
-  echo "Docker is not installed. Install Docker and rerun this script."
+  echo "ERROR: Docker is not installed. Install Docker and rerun this script."
   exit 1
 fi
 
-if ! command -v docker compose >/dev/null 2>&1 && ! command -v docker-compose >/dev/null 2>&1; then
+if ! docker compose version >/dev/null 2>&1 && ! command -v docker-compose >/dev/null 2>&1; then
-  echo "docker compose / docker-compose is not installed. Install Docker Compose and rerun."
+  echo "ERROR: docker compose / docker-compose is not installed."
+  exit 1
+fi
+
+if ! command -v openssl >/dev/null 2>&1; then
+  echo "ERROR: openssl is not installed."
   exit 1
 fi
 
 if ! command -v ufw >/dev/null 2>&1; then
-  echo "ufw not found. Installing ufw requires root and internet access."
+  echo "INFO: ufw not found. Ensure ports 8082 and 8446 are open in your firewall/router."
 fi
 
+compose() {
+  if docker compose version >/dev/null 2>&1; then
+    docker compose "$@"
+  else
+    docker-compose "$@"
+  fi
+}
+
 mkdir -p "${SSL_DIR}"
 
-echo "==> Generating self-signed TLS certificate for ${DOMAIN} (valid 365 days)..."
+echo "==> Ensuring TLS files exist for nginx startup..."
 if [ ! -f "${SSL_DIR}/${DOMAIN}.crt" ] || [ ! -f "${SSL_DIR}/${DOMAIN}.key" ]; then
+  echo "==> Generating bootstrap self-signed certificate for ${DOMAIN} (valid 365 days)..."
   openssl req -x509 -nodes -newkey rsa:4096 \
     -keyout "${SSL_DIR}/${DOMAIN}.key" \
     -out "${SSL_DIR}/${DOMAIN}.crt" \
     -days 365 \
     -subj "/CN=${DOMAIN}"
 else
-  echo "Certificate already exists, skipping generation."
+  echo "==> Existing certificate/key found; skipping bootstrap certificate generation."
 fi
 
 if [ ! -f "${SSL_DIR}/dhparam.pem" ]; then
-  echo "==> Generating dhparam (this may take a while)..."
+  echo "==> Generating dhparam (one-time, may take a while)..."
   openssl dhparam -out "${SSL_DIR}/dhparam.pem" 2048
 fi
 
-echo "==> Configuring UFW firewall rules (allow 8082/tcp and 8446/tcp)..."
 if command -v ufw >/dev/null 2>&1; then
+  echo "==> Configuring UFW firewall rules (8082/tcp, 8446/tcp)..."
   sudo ufw allow 8082/tcp comment "Nextcloud HTTP"
   sudo ufw allow 8446/tcp comment "Nextcloud HTTPS"
-else
-  echo "ufw not installed; ensure ports 8082 and 8446 are open in your firewall/router."
 fi
 
-echo "==> Starting Nextcloud stack via Docker Compose..."
+echo "==> Pulling and starting containers..."
-cd "${REPO_DIR}"
+compose -f "${REPO_DIR}/docker-compose.yml" pull
+compose -f "${REPO_DIR}/docker-compose.yml" up -d
 
-if command -v docker compose >/dev/null 2>&1; then
+echo "==> Stack started"
-  docker compose pull
-  docker compose up -d
-else
-  docker-compose pull
-  docker-compose up -d
-fi
-
-echo "==> Nextcloud should now be reachable at:"
 echo "    http://${DOMAIN}:8082  (redirects to HTTPS)"
 echo "    https://${DOMAIN}:8446"
-echo ""
+echo
-echo "NOTE: Browser will warn about self-signed certificate. Replace with a valid cert for production."
+echo "For production TLS with Let's Encrypt DNS-01 (Cloudflare):"
+echo "  1) export CF_DNS_API_TOKEN=<token>"
+echo "  2) export LETSENCRYPT_EMAIL=<email>"
+echo "  3) ./scripts/provision-production-tls.sh"
+echo "  4) docker compose restart web"

scripts/provision-production-tls.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+# scripts/provision-production-tls.sh
+# Issue/renew Let's Encrypt certificate via DNS-01 (Cloudflare), then install
+# cert/key into nginx/ssl paths used by the existing Nginx config.
+
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+DOMAIN="${DOMAIN:-nxt.bhatfamily.in}"
+SSL_DIR="${REPO_DIR}/nginx/ssl"
+LE_DIR="${SSL_DIR}/letsencrypt"
+PROPAGATION_SECONDS="${CF_DNS_PROPAGATION_SECONDS:-60}"
+
+if ! command -v docker >/dev/null 2>&1; then
+  echo "ERROR: docker is required but not found."
+  exit 1
+fi
+
+if [ -z "${CF_DNS_API_TOKEN:-}" ]; then
+  echo "ERROR: CF_DNS_API_TOKEN is not set."
+  echo "Export it first, then rerun this script."
+  exit 1
+fi
+
+if [ -z "${LETSENCRYPT_EMAIL:-}" ]; then
+  echo "ERROR: LETSENCRYPT_EMAIL is not set."
+  echo "Export it first, then rerun this script."
+  exit 1
+fi
+
+mkdir -p "${LE_DIR}" "${SSL_DIR}"
+
+CF_CREDS_FILE="$(mktemp)"
+cleanup() {
+  rm -f "${CF_CREDS_FILE}"
+}
+trap cleanup EXIT
+
+chmod 600 "${CF_CREDS_FILE}"
+printf 'dns_cloudflare_api_token = %s\n' "${CF_DNS_API_TOKEN}" > "${CF_CREDS_FILE}"
+
+echo "==> Requesting/renewing Let's Encrypt cert for ${DOMAIN} via Cloudflare DNS-01..."
+docker run --rm \
+  -v "${LE_DIR}:/etc/letsencrypt" \
+  -v "${CF_CREDS_FILE}:/run/secrets/cloudflare.ini:ro" \
+  certbot/dns-cloudflare:latest certonly \
+  --dns-cloudflare \
+  --dns-cloudflare-credentials /run/secrets/cloudflare.ini \
+  --dns-cloudflare-propagation-seconds "${PROPAGATION_SECONDS}" \
+  --non-interactive \
+  --agree-tos \
+  --email "${LETSENCRYPT_EMAIL}" \
+  --keep-until-expiring \
+  --preferred-challenges dns-01 \
+  --rsa-key-size 4096 \
+  -d "${DOMAIN}"
+
+echo "==> Installing production certificate into nginx/ssl..."
+docker run --rm \
+  -v "${LE_DIR}:/etc/letsencrypt:ro" \
+  -v "${SSL_DIR}:/work" \
+  alpine:3.20 sh -lc "    test -f /etc/letsencrypt/live/${DOMAIN}/fullchain.pem && \
+    test -f /etc/letsencrypt/live/${DOMAIN}/privkey.pem && \
+    cp /etc/letsencrypt/live/${DOMAIN}/fullchain.pem /work/${DOMAIN}.crt && \
+    cp /etc/letsencrypt/live/${DOMAIN}/privkey.pem /work/${DOMAIN}.key && \
+    chmod 0644 /work/${DOMAIN}.crt && \
+    chmod 0600 /work/${DOMAIN}.key  "
+
+echo "==> Production TLS material installed:"
+echo "    ${SSL_DIR}/${DOMAIN}.crt"
+echo "    ${SSL_DIR}/${DOMAIN}.key"
+echo ""
+echo "Next step: restart web service (or full stack) to pick up the new certificate."

scripts/renew-production-tls.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+# scripts/renew-production-tls.sh
+# Non-interactive renewal wrapper:
+# - loads renewal env defaults
+# - loads Cloudflare token export script
+# - runs certificate provisioning
+# - restarts only nextcloud-web when certificate changed
+
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+DOMAIN="${DOMAIN:-nxt.bhatfamily.in}"
+SSL_DIR="${REPO_DIR}/nginx/ssl"
+TLS_ENV_FILE="${TLS_ENV_FILE:-${REPO_DIR}/.tls-renewal.env}"
+CLOUDFLARE_TOKEN_SCRIPT_DEFAULT="${HOME}/bin/cloudflare-api-usertoken.sh"
+
+if [ -f "${TLS_ENV_FILE}" ]; then
+  # shellcheck disable=SC1090
+  set -a
+  source "${TLS_ENV_FILE}"
+  set +a
+fi
+
+CLOUDFLARE_TOKEN_SCRIPT="${CLOUDFLARE_TOKEN_SCRIPT:-${CLOUDFLARE_TOKEN_SCRIPT_DEFAULT}}"
+
+if [ -z "${CF_DNS_API_TOKEN:-}" ] && [ -f "${CLOUDFLARE_TOKEN_SCRIPT}" ]; then
+  # shellcheck disable=SC1090
+  source "${CLOUDFLARE_TOKEN_SCRIPT}"
+fi
+
+if [ -z "${CF_DNS_API_TOKEN:-}" ]; then
+  echo "ERROR: CF_DNS_API_TOKEN is not set and could not be loaded from ${CLOUDFLARE_TOKEN_SCRIPT}."
+  exit 1
+fi
+
+if [ -z "${LETSENCRYPT_EMAIL:-}" ]; then
+  echo "ERROR: LETSENCRYPT_EMAIL is not set."
+  echo "Set it in ${TLS_ENV_FILE} or export it in the shell before running this script."
+  exit 1
+fi
+
+mkdir -p "${REPO_DIR}/logs"
+
+CERT_FILE="${SSL_DIR}/${DOMAIN}.crt"
+BEFORE_SHA=""
+if [ -f "${CERT_FILE}" ]; then
+  BEFORE_SHA="$(sha256sum "${CERT_FILE}" | awk '{print $1}')"
+fi
+
+echo "==> Running production TLS provisioning/renewal..."
+"${REPO_DIR}/scripts/provision-production-tls.sh"
+
+AFTER_SHA=""
+if [ -f "${CERT_FILE}" ]; then
+  AFTER_SHA="$(sha256sum "${CERT_FILE}" | awk '{print $1}')"
+fi
+
+if [ "${BEFORE_SHA}" != "${AFTER_SHA}" ]; then
+  echo "==> Certificate changed; restarting nextcloud-web..."
+  if command -v docker >/dev/null 2>&1 && docker compose version >/dev/null 2>&1; then
+    docker compose -f "${REPO_DIR}/docker-compose.yml" restart web
+  else
+    docker-compose -f "${REPO_DIR}/docker-compose.yml" restart web
+  fi
+else
+  echo "==> Certificate unchanged; no container restart required."
+fi
+
+echo "==> Renewal workflow complete."

scripts/setup-renewal-cron.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+# scripts/setup-renewal-cron.sh
+# Installs/updates a daily cron entry for automated TLS renewal.
+
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+TLS_ENV_FILE="${REPO_DIR}/.tls-renewal.env"
+LOG_DIR="${REPO_DIR}/logs"
+LOG_FILE="${LOG_DIR}/tls-renew.log"
+CRON_MARKER="# nextcloud-docker tls renewal"
+CRON_SCHEDULE="${RENEW_CRON_SCHEDULE:-17 3 * * *}"
+DEFAULT_TOKEN_SCRIPT="${HOME}/bin/cloudflare-api-usertoken.sh"
+
+if [ -f "${TLS_ENV_FILE}" ]; then
+  # shellcheck disable=SC1090
+  set -a
+  source "${TLS_ENV_FILE}"
+  set +a
+fi
+
+if [ -z "${LETSENCRYPT_EMAIL:-}" ]; then
+  echo "ERROR: LETSENCRYPT_EMAIL is not set."
+  echo "Export it in your shell before running this script."
+  exit 1
+fi
+
+CLOUDFLARE_TOKEN_SCRIPT="${CLOUDFLARE_TOKEN_SCRIPT:-${DEFAULT_TOKEN_SCRIPT}}"
+CF_DNS_PROPAGATION_SECONDS="${CF_DNS_PROPAGATION_SECONDS:-60}"
+
+mkdir -p "${LOG_DIR}"
+chmod 700 "${LOG_DIR}"
+
+cat > "${TLS_ENV_FILE}" <<ENVFILE
+LETSENCRYPT_EMAIL=${LETSENCRYPT_EMAIL}
+CLOUDFLARE_TOKEN_SCRIPT=${CLOUDFLARE_TOKEN_SCRIPT}
+CF_DNS_PROPAGATION_SECONDS=${CF_DNS_PROPAGATION_SECONDS}
+ENVFILE
+chmod 600 "${TLS_ENV_FILE}"
+
+CRON_COMMAND="cd ${REPO_DIR} && /usr/bin/env bash ${REPO_DIR}/scripts/renew-production-tls.sh >> ${LOG_FILE} 2>&1"
+CRON_LINE="${CRON_SCHEDULE} ${CRON_COMMAND} ${CRON_MARKER}"
+
+{
+  crontab -l 2>/dev/null | grep -v "${CRON_MARKER}" || true
+  echo "${CRON_LINE}"
+} | crontab -
+
+echo "==> Installed cron renewal job:"
+echo "    ${CRON_LINE}"
+echo "==> Stored renewal defaults in ${TLS_ENV_FILE}"
+echo "==> Logs will be written to ${LOG_FILE}"

scripts/test.sh

@@ -5,23 +5,20 @@ set -euo pipefail
 DOMAIN="nxt.bhatfamily.in"
 HTTP_PORT=8082
 HTTPS_PORT=8446
+STRICT_TLS="${STRICT_TLS:-0}"
+
+CURL_TLS_ARGS=("-k")
+if [ "${STRICT_TLS}" = "1" ]; then
+  CURL_TLS_ARGS=()
+fi
 
 echo "==> Testing HTTP redirect..."
-curl -I "http://${DOMAIN}:${HTTP_PORT}" || {
+curl -I "http://${DOMAIN}:${HTTP_PORT}" >/dev/null
-  echo "HTTP test failed."
-  exit 1
-}
 
-echo "==> Testing HTTPS endpoint (ignoring self-signed cert errors)..."
+echo "==> Testing HTTPS endpoint..."
-curl -k -I "https://${DOMAIN}:${HTTPS_PORT}" || {
+curl "${CURL_TLS_ARGS[@]}" -I "https://${DOMAIN}:${HTTPS_PORT}" >/dev/null
-  echo "HTTPS test failed."
-  exit 1
-}
 
-echo "==> Quick application-level check (Nextcloud status.php)..."
+echo "==> Testing Nextcloud status.php..."
-curl -k "https://${DOMAIN}:${HTTPS_PORT}/status.php" || {
+curl "${CURL_TLS_ARGS[@]}" "https://${DOMAIN}:${HTTPS_PORT}/status.php" >/dev/null
-  echo "status.php test failed."
-  exit 1
-}
 
 echo "All tests passed."