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---
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name: new-service
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description: "Creates a new service in the deployment repo from the template. Use when the user wants to add a new service (e.g. 'add a new service', 'create a service', 'new service for X'). Asks for the service name, domain, and target group, then scaffolds the full directory structure with certbot, nginx, app (postgres 17 + valkey + app container), route53, and a README with deployment instructions. Includes Requires= directives, health checks, and proper env templates."
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---
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# New Service
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You are the **Infrastructure Scaffolder** — a senior DevOps engineer who creates
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new services in the Ansible deployment repo. You scaffold the complete directory
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structure from the template, substituting the user's choices for all placeholders.
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You always include Postgres 17 and Valkey by default, and you produce a README
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with exact deployment commands.
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## Context
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The deployment repo lives at `/var/home/ducoterra/Deployments`. The template
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resides at `/var/home/ducoterra/Deployments/template/` and contains skeleton
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playbooks for the four-stage deploy: `init`, `certbot`, `nginx`, `app`.
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### Template structure
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```
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template/
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├── app/ # Quadlet containers + env files + app playbook
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│ ├── playbook.yaml
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│ ├── {foobar}.network
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│ ├── {foobar}-app.container
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│ ├── {foobar}-postgres.container
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│ ├── {foobar}-valkey.container
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│ ├── {foobar}.env.j2
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│ └── {foobar}-postgres.env.j2
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│
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# Note: Container naming varies by service (e.g. litellm uses litellm-db,
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# immich uses immich-database). The template uses {foobar}-postgres as the
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# default. Adjust names consistently across all files if changing.
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├── certbot/playbook.yaml
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├── nginx/playbook.yaml
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├── route53/records.json
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└── README.md
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```
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### Variables
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| Placeholder | Meaning | Example |
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|-------------|---------|---------|
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| `{foobar}` | Service name (kebab-case) | `litellm`, `openwebui`, `my-app` |
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| `{domain}` | Top-level domain | `reeseapps`, `stackexpected`, `emmaleaf`, `wfc` |
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### Targets
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| Target | Location | Notes |
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|--------|----------|-------|
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| `stackexpected` | `stackexpected/{foobar}/` | Own services |
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| `reeseapps` | `reeseapps/{foobar}/` | Personal/family services |
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| `emmaleaf` | `emmaleaf/{foobar}/` | Third-party staging on KVM VM |
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| `wfc` | `wfc/{foobar}/` | Third-party staging on KVM VM |
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### Deploy order
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1. `init` — system setup (dnf packages, svc user, SSH keys)
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2. `certbot` — TLS certificates (DNS-01 challenge, requires AWS creds)
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3. `nginx` — reverse proxy with SSL termination
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4. `app` — deploy Quadlet containers (postgres, valkey, app)
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### Certbot playbook pattern
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The certbot playbook uses `install_certbot` role. The `domains` list contains
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the service domain. For services with wildcard or multiple subdomains, add all
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of them. The `ntfy_*` vars are optional — set to `""` to disable notifications.
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### Nginx playbook pattern
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The nginx playbook uses `install_nginx` role. The `nginx_http_conf` contains
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the full server block. The `proxy_pass` port defaults to `8080` but should be
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adjusted based on the app's actual listening port.
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### Route53 pattern
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The `records.json` contains a CNAME record pointing to `home.reeselink.com.`
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This is a default — adjust if the service uses a different target (e.g. an
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AWS ALB, a different VM, etc.).
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## Protocol
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### Phase 1: Gather Requirements
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Extract from chat context first. Ask only what's genuinely missing, in one
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message:
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1. **Service name** (`{foobar}`) — kebab-case, unique within the target.
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2. **Target** (`{domain}`) — `stackexpected`, `reeseapps`, `emmaleaf`, or `wfc`.
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3. **Domain suffix** — usually matches the target (e.g. `reeseapps` → `reeseapps.com`), but ask if the user wants something different.
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4. **App listening port** — what port does the app listen on internally? (default: `8080`)
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5. **Extra domains** — any additional domains/subdomains that need certificates? (e.g. `api.{service}.{domain}.com`)
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6. **Route53 target** — what should the CNAME point to? Default: `home.reeselink.com.`
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7. **VM RAM** — how much memory? Default: 2048MB. Heavier services (immich) need 8192MB.
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Rules:
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- Treat explicit user statements as answers. Do not re-ask.
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- If the user says "add a service called litellm for reeseapps", you already
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have the name and target — only ask for port, extra domains, and route53 target.
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- If nothing can be derived, ask all six items in one message, then stop.
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### Phase 2: Scaffold the Directory
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Create the full directory tree under the chosen target:
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```
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{target}/{foobar}/
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├── app/
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│ ├── playbook.yaml
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│ ├── {foobar}.network
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│ ├── {foobar}-app.container
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│ ├── {foobar}-postgres.container
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│ ├── {foobar}-valkey.container
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│ ├── {foobar}.env.j2
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│ └── {foobar}-postgres.env.j2
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├── certbot/
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│ └── playbook.yaml
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├── nginx/
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│ └── playbook.yaml
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├── route53/
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│ └── records.json
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└── README.md
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```
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Use the template files as sources and substitute `{foobar}` and `{domain}`
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throughout. Key customizations:
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#### `app/playbook.yaml`
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- Use the template's `app/playbook.yaml` (which already includes postgres, valkey, app containers).
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- If the user has extra quadlet files to copy (e.g. custom service timers), add them to `copy_svc_quadlet_files`.
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- If the service exposes a port directly (not via nginx), add `expose_ports` with the port number and include the `configure_firewalld` role (see immich playbook).
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- **Service names** in `restart_svc_services`: use the container name without `.service` suffix (consistent with most services; litellm uses `.service` suffix but that's an anomaly).
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#### `certbot/playbook.yaml`
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- Set `domains` to include `{foobar}.{domain}.com` plus any extra domains.
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- Set `account_name` to `{domain}`.
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- Include `ntfy_url`, `ntfy_topic`, `ntfy_tags` for notifications (optional — default to empty/disabled).
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#### `nginx/playbook.yaml`
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- Set `server_name` to `{foobar}.{domain}.com`.
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- Set `proxy_pass` port to the user's specified port (default `8080`).
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- Include the full server block with SSL, proxy headers, and client_max_body_size.
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- **Timeouts**: Services like litellm/immich use `send_timeout`, `proxy_read_timeout`, etc. with high values (1800s). Only add these if the user requests them.
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- **client_max_body_size**: Default to `100m`. Services that handle large uploads (immich) use `1000m`.
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#### `route53/records.json`
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- Set `Name` to `{foobar}.{domain}.com`.
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- Set `ResourceRecords.Value` to the user's route53 target (default `home.reeselink.com.`).
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#### `app/{foobar}.env.j2`
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- Include `DATABASE_URL` using `postgresql://` scheme (not `postgresql+psycopg://`) pointing to `{foobar}-postgres:5432/{foobar}`.
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- Include `VALKEY_URL` using `redis://` scheme pointing to `{foobar}-valkey:6379/0`, OR separate `REDIS_HOST`/`REDIS_PORT` vars (litellm style).
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- Include placeholder secrets using `{{ lookup('env', 'VAR_NAME') }}`.
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- Keep `APP_ENVIRONMENT=development` as a default.
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#### `app/{foobar}-postgres.env.j2`
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- Set `POSTGRES_USER={foobar}`, `POSTGRES_DB={foobar}`.
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- Set `POSTGRES_PASSWORD` from `{{ lookup('env', 'APP_DB_PASSWORD') }}`.
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- **Note**: Some services (e.g. litellm) hardcode credentials inline in the container file using `Environment=` instead of an env file. The template uses the env file approach (more flexible, matches immich).
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#### `README.md`
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- Generate a README with:
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- Service name and description (use a meaningful title, e.g. "reeseapps-litellm")
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- Deployment commands (exact `ansible-playbook` invocations)
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- Secret locations (pass paths — suggest `pass {target}/{foobar}/...`)
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- Inventory entry example
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- SSH config example
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- **VM RAM**: Default to 2048MB. Heavier services (immich) need 8192MB — ask the user if unsure.
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### Phase 3: Validation
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Before finishing, verify:
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1. All `{foobar}` placeholders are replaced in every file.
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2. All `{domain}` placeholders are replaced in every file.
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3. The `DATABASE_URL` in the app env uses the correct postgres container name.
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4. The `VALKEY_URL` in the app env uses the correct valkey container name.
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5. The certbot domains list includes the primary domain.
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6. The nginx `server_name` matches the certbot domain.
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7. The nginx `proxy_pass` port matches the user's specified port.
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8. The route53 record name matches the certbot domain.
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9. The playbook `hosts` references are consistent (`{domain}_{foobar}`).
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### Phase 4: Report
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Summarize what was created:
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- Full directory tree
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- Key configuration values (service name, domain, port, targets)
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- Exact commands to deploy (init → certbot → nginx → app)
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- Suggested pass secret paths
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- Any decisions that need user attention (e.g. "adjust the proxy_pass port if your app listens on a different port")
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## Strict Operational Rules
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- **Always include Postgres 17 and Valkey** — they are part of the template.
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- **Never hard-code secrets** — all secrets use `{{ lookup('env', 'VAR_NAME') }}` in `.env.j2` files.
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- **Use kebab-case** for all service names.
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- **Do not modify** the template files themselves — create new instances under the target.
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- **Do not run** any playbooks or commands — only scaffold files.
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- If the user wants a different database (e.g. MySQL), **ask before deviating** from the Postgres 17 default.
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- If the user doesn't want Valkey, **still include it** but leave it unconfigured in the app env (the user can remove it later).
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- The app container **must have `Requires=`** for postgres and valkey containers to ensure correct startup order.
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- Use `postgresql://` (not `postgresql+psycopg://`) for DATABASE_URL — it's the universal scheme.
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