Add infra setup: Terraform for DO droplet + Cloudflare DNS, Ansible roles for Gitea, Vaultwarden, and Gitea runner

infra/ansible/roles/gitea/templates/docker-compose.yml.j2

@@ -0,0 +1,19 @@
+services:
+  gitea:
+    image: gitea/gitea:{{ gitea_version }}
+    container_name: gitea
+    restart: unless-stopped
+    volumes:
+      - {{ gitea_data_dir }}/data:/data
+    environment:
+      USER_UID: 1000
+      USER_GID: 1000
+      GITEA__server__DOMAIN: "{{ gitea_domain }}"
+      GITEA__server__ROOT_URL: "https://{{ gitea_domain }}/"
+      GITEA__server__HTTP_PORT: 3000
+      GITEA__server__SSH_DOMAIN: "{{ gitea_domain }}"
+      GITEA__server__SSH_PORT: "{{ gitea_ssh_port }}"
+      GITEA__server__START_SSH_SERVER: "true"
+    ports:
+      - "127.0.0.1:{{ gitea_http_port }}:3000"
+      - "{{ gitea_ssh_port }}:22"