Update documentation

Docker/Dockerfile

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+FROM archlinux
+
+# Update Arch and install gcc, python and pip and remove cache
+RUN pacman -Syu --noconfirm && pacman --noconfirm -S gcc python python-pip git && yes | pacman -Scc
+
+# Copy requirements for the bot and install them
+COPY requirements.txt /tmp/
+RUN pip install --disable-pip-version-check --no-cache-dir --requirement /tmp/requirements.txt
+
+# Create user
+RUN useradd --create-home botuser
+WORKDIR /home/botuser
+USER botuser
+
+RUN mkdir -p ~/data
+
+# Copy bot and run
+COPY main.py .
+CMD ["python", "./main.py"]

Docker/README.md

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+# Discord-reminder-bot
+
+Discord bot that allows you to set reminders.
+
+![Bot](/Bot.png)
+
+<sup>Theme is [DiscordNight by KillYoy](https://github.com/KillYoy/DiscordNight)<sup>
+
+## Usage
+
+### docker-compose with .env file
+
+More information on [Docker Hub](https://hub.docker.com/repository/docker/thelovinator/discord-reminder-bot)
+
+```yaml
+version: "3"
+services:
+  discord-reminder-bot:
+    image: thelovinator/discord-reminder-bot
+    env_file:
+      - .env
+    container_name: discord-reminder-bot
+    environment:
+      - BOT_TOKEN=${BOT_TOKEN}
+      - TIMEZONE=${TIMEZONE}
+      - LOG_LEVEL=${LOG_LEVEL}
+      - SQLITE_LOCATION=/data/jobs.sqlite
+    restart: unless-stopped
+    volumes:
+      - data_folder:/home/botuser/data/
+volumes:
+  data_folder:
+```
+
+### docker cli
+
+```console
+docker run -d \
+  --name=discord-reminder-bot \
+  -e BOT_TOKEN=JFIiasfjioFIAOJFOIJIOSAF.AFo-7A.akwFakeopfaWPOKawPOFKOAKFPA \
+  -e TIMEZONE=Europe/Stockholm \
+  -e LOG_LEVEL=INFO \
+  -e SQLITE_LOCATION=/data/jobs.sqlite \
+  -v /path/to/data:/home/botuser/data/ \
+  --restart unless-stopped \
+  thelovinator/discord-reminder-bot
+```
+
+> **_NOTE:_**  SQLITE_LOCATION must be on a volume to keep the reminders if you restart the Docker container!
+
+## Environment Variables
+
+|                                 Parameter                                  | Function                                                                            |
+| :------------------------------------------------------------------------: | ----------------------------------------------------------------------------------- |
+| `-e BOT_TOKEN=JFIiasfjioFIAOJFOIJIOSAF.AFo-7A.akwFakeopfaWPOKawPOFKOAKFPA` | Discord bot token ([Where to get one](https://discord.com/developers/applications)) |
+|                           `-e TZ=Europe/London`                            | Specify a time zone to use, this is used by the time zone converter and APScheduler |
+|                  `-e SQLITE_LOCATION=/home/botuser/data/`                  | Where to store the database file. It should be stored on a volume                   |
+|                            `-e LOG_LEVEL=INFO`                             | Log severity. Can be CRITICAL, ERROR, WARNING, INFO or DEBUG                        |
+|                   `-v /path/to/data:/home/botuser/data/`                   | Folder to store the database                                                        |
+
+## Application Setup
+
+Add reminders with the `![remind|reminder|remindme|at] <message_date> <message_reason>` command.
+
+## Support Info
+
+* Shell access whilst the container is running: `docker exec -it discord-reminder-bot /bin/bash`
+* To monitor the logs of the container in real-time: `docker logs -f discord-reminder-bot`
+
+## Help
+
+* Email: tlovinator@gmail.com
+* Discord: TheLovinator#9276
+* Steam: [steamcommunity.com/id/TheLovinator/](https://steamcommunity.com/id/TheLovinator/)
+
+## Updating
+
+### Via Docker Compose
+
+* Update all images: `docker-compose pull`
+  * or update a single image: `docker-compose pull discord-reminder-bot`
+* Let compose update all containers as necessary: `docker-compose up -d`
+  * or update a single container: `docker-compose up -d discord-reminder-bot`
+* You can also remove the old dangling images: `docker image prune`
+
+### Via Docker Run
+
+* Update the image: `docker pull thelovinator/discord-reminder-bot`
+* Stop the running container: `docker stop discord-reminder-bot`
+* Delete the container: `docker rm discord-reminder-bot`
+* Recreate a new container with the same docker run parameters as instructed above (if you mapped `/home/botuser/data/` to your computer your `jobs.sqlite` file and reminders will be preserved)
+* You can also remove the old dangling images: `docker image prune`
+
+## Building locally
+
+If you want to make local modifications to these images for development purposes or just to customize the logic:
+
+```console
+git clone https://github.com/TheLovinator1/discord-reminder-bot.git
+
+cd discord-reminder-bot
+
+docker build \
+  --no-cache \
+  --pull \
+  -t thelovinator/discord-reminder-bot:latest .
+```
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
+
+### Acknowledgments
+
+This README is based on the READMEs from [LinuxServer.io](https://github.com/linuxserver)

Docker/docker-compose.yml

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+version: "3"
+services:
+  discord-reminder-bot:
+    image: thelovinator/discord-reminder-bot
+    env_file:
+      - .env
+    container_name: discord-reminder-bot
+    environment:
+      - BOT_TOKEN=${BOT_TOKEN}
+      - TIMEZONE=${TIMEZONE}
+      - LOG_LEVEL=${LOG_LEVEL}
+      - SQLITE_LOCATION=/data/jobs.sqlite
+    restart: unless-stopped
+    volumes:
+      - data_folder:/home/botuser/data/
+volumes:
+  data_folder: