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phracek 2021-05-25 17:42:06 +00:00
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@ -106,17 +106,43 @@ To use the Source-to-Image scripts and build an image using a Dockerfile, create
```
FROM registry.access.redhat.com/ubi8/python-38
# Add application sources to a directory that the assemble script expects them
# and set permissions so that the container runs without root access
USER 0
ADD app-src /tmp/src
RUN chown -R 1001:0 /tmp/src
RUN /usr/bin/fix-permissions /tmp/src
USER 1001
# Install the dependencies
RUN /usr/libexec/s2i/assemble
# Set the default command for the resulting image
CMD /usr/libexec/s2i/run
```
If you decide not to use the Source-to-Image scripts, you will need to manually tailor the Dockerfile to your application and its needs.
Example Dockerfile for a simple Django application:
```
FROM registry.access.redhat.com/ubi8/python-38
# Add application sources with correct permissions for OpenShift
USER 0
ADD app-src .
RUN chown -R 1001:0 ./
USER 1001
# Install the dependencies
RUN pip install -U "pip>=19.3.1" && \
pip install -r requirements.txt && \
python manage.py collectstatic --noinput && \
python manage.py migrate
# Run the application
CMD python manage.py runserver 0.0.0.0:8080
```
#### 4. Build a new image from a Dockerfile prepared in the previous step
```