Standartized docker-compose files. Added some documentation (AI generated)

Docker/bookstack/README.md

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+# Bookstack
+
+[Bookstack](https://www.bookstackapp.com/) is a simple, self-hosted, easy-to-use platform for organizing and storing information.
+
+## Docker Compose Setup
+
+This directory contains a Docker Compose setup for Bookstack.
+
+### Services
+
+- **bookstack**: The Bookstack application itself.
+- **bookstack_database**: A MariaDB database for Bookstack.
+
+### Volumes
+
+- `${PATH_TO_CONFIG}`: Stores the Bookstack configuration files.
+- `${PATH_TO_DB}`: Stores the MariaDB database files.
+
+### Ports
+
+- `6875:80`: The Bookstack application is accessible on port 6875.
+
+## Usage
+
+1. Create a `.env` file with the following variables:
+
+```
+# Password for bookstack MySQL user
+DB_USER_PASS=<your_strong_pass>
+
+# Password for root MySQL user
+DB_ROOT_PASS=<your_strongest_pass>
+
+# Directory, where the bookstack itself will store the files
+PATH_TO_CONFIG=/path/to/bookstack/config
+
+# Directory, where MySQL data will be stored
+PATH_TO_DB=/path/to/db/data
+
+# Your timezone
+TZ=Europe/Warsaw
+
+# The IP:port or URL your application will be accessed on (ie. http://192.168.1.1:6875 or https://bookstack.mydomain.com
+APP_URL=https://bookstack.example.com
+```
+
+2. Run `docker-compose up -d` to start the containers.