Create Dockerfile for python3 image7.0.0

Issue-ID: INT-1589

Signed-off-by: mrichomme <morgan.richomme@orange.com>
Change-Id: I5cfe4c16380878737fe45cc8a2159a71a1f4912b
Signed-off-by: mrichomme <morgan.richomme@orange.com>

2 files changed, 47 insertions, 0 deletions

diff --git a/Dockerfile b/Dockerfile
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+FROM python:3.8.2-alpine3.11
+
+LABEL maintainer="ONAP Integration team, morgan.richomme@orange.com"
+LABEL Description="Reference ONAP Python 3 image"
+
+ARG user=onap
+ARG group=onap
+
+# Create a group and user
+RUN addgroup -S $group && adduser -S -D -h /home/$user $user $group && \
+    chown -R $user:$group /home/$user &&  \
+    mkdir /var/log/$user && \
+    chown -R $user:$group /var/log/$user && \
+    mkdir /app && \
+    chown -R $user:$group /app
+
+# Tell docker that all future commands should be run as the onap user
+USER $user
+WORKDIR /app
+
+ONBUILD COPY requirements.txt .
+ONBUILD RUN pip install --no-cache-dir -r requirements.txt
diff --git a/README.md b/README.md
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+# onap-python
+
+This Dockerfile aims to generate a baseline image for ONAP [1] projects
+based on SECCOM recommendations [2].
+
+It includes:
+
+- python 3.8.2
+- pip3
+
+Due to the ONBUILD directive, each project must provide a requirements.txt file
+before building an image derived from this baseline image.
+Without this requirements.txt file, the docker built will fail.
+The pip install -r requirements.txt will be executed on the build of your image.
+
+An example of Dockerfile consuming this base line image could be:
+
+```
+FROM nexus3.onap.org:10001/onap/integration-python
+RUN echo "Add your specifc docker needs here."
+```
+
+[1]: http://wiki.onap.org
+
+[2]: https://wiki.onap.org/display/DW/Database%2C+Java%2C+Python%2C+Docker%2C+Kubernetes%2C+and+Image+Versions