Refactor: Reorganize services into standalone structure

optimized/standalone/alpine-unbound/README.md

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+# Alpine Unbound
+
+This directory contains the `docker-compose.yml` for building and running an Alpine-based Unbound DNS resolver.
+
+## Running with Podman Compose
+
+To run this service using `podman-compose`:
+
+1.  Navigate to this directory:
+    ```bash
+    cd optimized/standalone/alpine-unbound
+    ```
+2.  Build the image (if not already built by the original `build.sh`):
+    ```bash
+    podman-compose build
+    ```
+3.  Start the service:
+    ```bash
+    podman-compose up -d
+    ```
+
+## Running with Podman (if built elsewhere)
+
+If you have already built the `alpine-unbound:latest` image, you can run it directly with Podman. Note that translating a full `docker-compose.yml` to a single `podman run` command can be complex due to network and volume declarations.
+
+A simplified `podman run` example (adjust networks and volumes as needed for your specific setup):
+
+```bash
+podman run -d \
+  --name alpine_unbound \
+  --network dns_net \
+  -p 5335:5335/tcp \
+  -p 5335:5335/udp \
+  -v unbound_config:/etc/unbound/unbound.conf.d \
+  -v unbound_data:/var/lib/unbound \
+  alpine-unbound:latest
+```
+
+Ensure the `dns_net` network and necessary volumes exist before running.
+
+## Notes
+
+*   Remember to replace any placeholder values (e.g., timezone, ports) with your actual configuration.
+*   The original `build.sh` file might contain additional steps or configurations relevant to the build process.
+*   For persistent configuration, ensure the `unbound_config` volume is correctly managed.

optimized/standalone/alpine-unbound/docker-compose.yml

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+version: "3.9"
+
+services:
+  alpine-unbound:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: alpine-unbound:latest
+    container_name: alpine_unbound
+    restart: unless-stopped
+    environment:
+      - TZ=America/New_York
+    volumes:
+      - unbound_config:/etc/unbound/unbound.conf.d
+      - unbound_data:/var/lib/unbound
+    ports:
+      - "5335:5335/tcp"
+      - "5335:5335/udp"
+    networks:
+      - dns_net
+    healthcheck:
+      test: [ "CMD", "/usr/local/bin/healthcheck.sh" ]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 5s
+    deploy:
+      resources:
+        limits:
+          memory: 128M
+        reservations:
+          memory: 32M
+
+networks:
+  dns_net:
+    driver: bridge
+
+volumes:
+  unbound_config:
+    driver: local
+  unbound_data:
+    driver: local