Add registry.lunarfront.tech: DNS-only subdomain with Let's Encrypt cert, no CF upload limit

.gitea/workflows/ansible.yml

@@ -18,7 +18,7 @@ on:
 jobs:
   ansible:
     runs-on: ubuntu-latest
-    container: git.lunarfront.tech/ryan/ci-runner:latest
+    container: registry.lunarfront.tech/ryan/ci-runner:latest
     defaults:
       run:
         working-directory: ansible

.gitea/workflows/build-runner.yml

@@ -25,13 +25,13 @@ jobs:
           apt-get install -y docker-ce-cli
 
       - name: Login to Gitea registry
-        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login git.lunarfront.tech -u ryan --password-stdin
+        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login registry.lunarfront.tech -u ryan --password-stdin
 
       - name: Build and push
         run: |
-          docker build -t git.lunarfront.tech/ryan/ci-runner:latest runner/
-          docker push git.lunarfront.tech/ryan/ci-runner:latest
+          docker build -t registry.lunarfront.tech/ryan/ci-runner:latest runner/
+          docker push registry.lunarfront.tech/ryan/ci-runner:latest
 
       - name: Logout
         if: always()
-        run: docker logout git.lunarfront.tech
+        run: docker logout registry.lunarfront.tech

.gitea/workflows/terraform.yml

@@ -20,7 +20,7 @@ on:
 jobs:
   terraform:
     runs-on: ubuntu-latest
-    container: git.lunarfront.tech/ryan/ci-runner:latest
+    container: registry.lunarfront.tech/ryan/ci-runner:latest
     defaults:
       run:
         working-directory: terraform

ansible/roles/gitea/defaults/main.yml

@@ -5,6 +5,9 @@ gitea_http_port: 3000
 gitea_ssh_port: 2222
 gitea_data_dir: /var/lib/gitea
 
+gitea_registry_domain: "registry.example.com"
+letsencrypt_email: ""
+
 # Cloudflare Origin Certificate
 cf_origin_cert: ""
 cf_origin_key: ""

ansible/roles/gitea/tasks/main.yml

@@ -86,3 +86,51 @@
     name: nginx
     enabled: true
     state: started
+
+# ─── Registry (Let's Encrypt cert, DNS-only / no Cloudflare proxy) ────────────
+
+- name: Install certbot and Cloudflare DNS plugin
+  apt:
+    name: [certbot, python3-certbot-dns-cloudflare]
+    state: present
+
+- name: Write Cloudflare credentials for certbot
+  copy:
+    content: |
+      dns_cloudflare_api_token = {{ cloudflare_api_token }}
+    dest: /etc/letsencrypt/cloudflare.ini
+    owner: root
+    group: root
+    mode: "0600"
+
+- name: Obtain Let's Encrypt cert for registry domain
+  command: >
+    certbot certonly
+    --dns-cloudflare
+    --dns-cloudflare-credentials /etc/letsencrypt/cloudflare.ini
+    --non-interactive
+    --agree-tos
+    --email {{ letsencrypt_email }}
+    -d {{ gitea_registry_domain }}
+  args:
+    creates: /etc/letsencrypt/live/{{ gitea_registry_domain }}/fullchain.pem
+
+- name: Deploy registry nginx config
+  template:
+    src: nginx-registry.conf.j2
+    dest: /etc/nginx/sites-available/registry
+    mode: "0644"
+  notify: Reload nginx
+
+- name: Enable registry nginx site
+  file:
+    src: /etc/nginx/sites-available/registry
+    dest: /etc/nginx/sites-enabled/registry
+    state: link
+  notify: Reload nginx
+
+- name: Enable certbot renewal timer
+  systemd:
+    name: certbot.timer
+    enabled: true
+    state: started

ansible/roles/gitea/templates/nginx-registry.conf.j2

@@ -0,0 +1,26 @@
+server {
+    listen 80;
+    server_name {{ gitea_registry_domain }};
+    return 301 https://$host$request_uri;
+}
+
+server {
+    listen 443 ssl;
+    server_name {{ gitea_registry_domain }};
+
+    ssl_certificate     /etc/letsencrypt/live/{{ gitea_registry_domain }}/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/{{ gitea_registry_domain }}/privkey.pem;
+
+    ssl_protocols       TLSv1.2 TLSv1.3;
+    ssl_ciphers         HIGH:!aNULL:!MD5;
+
+    client_max_body_size 0;
+
+    location / {
+        proxy_pass         http://127.0.0.1:{{ gitea_http_port }};
+        proxy_set_header   Host              $host;
+        proxy_set_header   X-Real-IP         $remote_addr;
+        proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
+        proxy_set_header   X-Forwarded-Proto $scheme;
+    }
+}

terraform/main.tf

@@ -98,17 +98,18 @@ resource "digitalocean_firewall" "gitea" {
     source_addresses = ["${var.admin_ip}/32"]
   }
 
-  # HTTP/HTTPS — Cloudflare IPs only
+  # HTTP — Cloudflare IPs only (web UI)
   inbound_rule {
     protocol         = "tcp"
     port_range       = "80"
     source_addresses = concat(local.cloudflare_ipv4, local.cloudflare_ipv6)
   }
 
+  # HTTPS — Cloudflare IPs for proxied domains + all IPs for registry (DNS-only)
   inbound_rule {
     protocol         = "tcp"
     port_range       = "443"
-    source_addresses = concat(local.cloudflare_ipv4, local.cloudflare_ipv6)
+    source_addresses = ["0.0.0.0/0", "::/0"]
   }
 
   # Gitea SSH for git push/pull — your IP only
@@ -161,3 +162,13 @@ resource "cloudflare_record" "git_ssh" {
   ttl     = 3600
 }
 
+# DNS only — no Cloudflare proxy, for container registry (no 100MB upload limit)
+resource "cloudflare_record" "registry" {
+  zone_id = data.cloudflare_zone.main.id
+  name    = "registry"
+  type    = "A"
+  value   = digitalocean_droplet.gitea.ipv4_address
+  proxied = false
+  ttl     = 3600
+}
+