I'm new to building applications on Linux and working with Docker, and I'm developing my first Dockerfile and image for a Python app that connects to an Oracle database. Currently, I have been testing everything on my Windows laptop, but now I need to containerize my app for deployment on an AWS EC2 instance.
I'm using the `python:3.13-slim` base image and am unsure where to download the Oracle driver from the Basic Light Package ZIP file I found on the Oracle website. What's the best folder to place this ZIP file in? Additionally, how do I unzip and install it effectively before I run my app with the command `python main.py`?
Here's what my Dockerfile looks like at this point, although I've commented out the last three lines since I haven't tested them yet:
FROM python:3.13-slim
ADD https://download.oracle.com/otn_software/linux/instantclient/2118000/instantclient-basiclite-linux-21.18.0.0.0dbru.zip /tmp/download.zip
WORKDIR opt/my-app
COPY requirements.txt .
I also want to confirm whether I'm downloading the appropriate driver for the `python:3.13-slim` image. I opted for the Instant Client for Linux x86, but if there's a better alternative, I'd appreciate any guidance. Lastly, I'm open to feedback or suggestions for improving my Dockerfile! Thanks!
2 Answers
You’re doing well with selecting the Oracle Basic Light Package! Just remember that while the Oracle binaries aren't tied to the Python version, the Python bindings you use might be. Check out the PyOracleClient which can simplify things for you. It automatically handles the Oracle client for you and can save you from manual setups. Just make sure that you include it in your requirements.txt file and you should be good to go!
For your Dockerfile, you can download the ZIP file to `/tmp`, which is a common location for temporary files in Linux. After that, to unzip it and install it, you can use `RUN` commands in your Dockerfile like so:
```Dockerfile
RUN apt-get update &&
apt-get install -y unzip &&
unzip /tmp/download.zip -d /opt/oracle &&
rm /tmp/download.zip
```
This will install the unzip utility, unzip your downloaded file into the `/opt/oracle` directory, and then remove the ZIP to save space. Be sure to include any necessary environment variables or configurations specific to the Oracle client as needed.
As for the driver, you're on the right track with the Instant Client for Linux x86; just ensure the bindings you're using in Python are compatible with it!
Related Questions
How To: Running Codex CLI on Windows with Azure OpenAI
Set Wordpress Featured Image Using Javascript
How To Fix PHP Random Being The Same
Why no WebP Support with Wordpress
Replace Wordpress Cron With Linux Cron
Customize Yoast Canonical URL Programmatically