docs: update all docs for container, cprofile, and config split

docs/INSTALL.md

@@ -5,8 +5,9 @@
 - Python >= 3.11
 - pip
 - Tor (optional, for Tor-based chains)
+- podman + podman-compose (optional, for container deployment)
 
-## Install
+## Local Install
 
 ```bash
 cd ~/git/s5p
@@ -22,6 +23,24 @@ s5p --version
 which s5p
 ```
 
+## Symlink (alternative)
+
+```bash
+ln -sf ~/git/s5p/.venv/bin/s5p ~/.local/bin/s5p
+```
+
+## Container Install
+
+```bash
+cd ~/git/s5p
+cp config/example.yaml config/s5p.yaml   # edit with your proxies
+make build                                # podman-compose build
+make up                                   # podman-compose up -d
+```
+
+The Alpine-based image (~59MB) contains only Python and PyYAML.
+Application source and config are bind-mounted at runtime.
+
 ## Install Tor (optional)
 
 ```bash
@@ -31,9 +50,3 @@ sudo systemctl enable --now tor
 # Verify Tor SOCKS5 port
 ss -tlnp | grep 9050
 ```
-
-## Symlink (alternative)
-
-```bash
-ln -sf ~/git/s5p/.venv/bin/s5p ~/.local/bin/s5p
-```