Merge pull request #100 from vsoch/update-container-base

fix bug with docker build

Author: vsoch

CHANGELOG.md

@@ -14,11 +14,12 @@ represented by the pull requests that fixed them. Critical items to know are:
 Versions correspond with GitHub releases that can be referenced with @ using actions.
 
 ## [master](https://github.com/vsoch/pull-request-action/tree/master) (master)
-  - bugfix of missing output values (1.0.23)
-  - bugfix of token handling if 401 error received (missing 401 case) (1.0.21)
-  - bugfix of writing to environment file (missing newline) (1.0.19)
-  - bugfix of missing from branch with scheduled run (1.0.16)
-  - forgot to add assignees (1.0.15)
-  - output and environment variables for PR number and return codes (1.0.5)
-  - added support for reviewer (individual and team) assignments (1.0.4)
-  - added support for maintainer can modify and assignees (1.0.3)
+ - alpine cannot install to system python anymore (1.1.0)
+ - bugfix of missing output values (1.0.23)
+ - bugfix of token handling if 401 error received (missing 401 case) (1.0.21)
+ - bugfix of writing to environment file (missing newline) (1.0.19)
+ - bugfix of missing from branch with scheduled run (1.0.16)
+ - forgot to add assignees (1.0.15)
+ - output and environment variables for PR number and return codes (1.0.5)
+ - added support for reviewer (individual and team) assignments (1.0.4)
+ - added support for maintainer can modify and assignees (1.0.3)

Dockerfile

@@ -7,9 +7,11 @@ LABEL "com.github.actions.description"="Create a pull request when a branch is c
 LABEL "com.github.actions.icon"="activity"
 LABEL "com.github.actions.color"="yellow"
 
-RUN apk --no-cache add python3 py3-pip git bash && \
-    pip3 install requests
+# Newer alpine we are not allowed to install to system python
+RUN apk --no-cache add python3 py3-pip py3-virtualenv git bash && \
+    python3 -m venv /opt/env && \
+    /opt/env/bin/pip3 install requests
 COPY pull-request.py /pull-request.py
 
 RUN chmod u+x /pull-request.py
-ENTRYPOINT ["python3", "/pull-request.py"]
+ENTRYPOINT ["/opt/env/bin/python3", "/pull-request.py"]