nginx example build fails because python is missing

[boomcubist]

Issue Summary The webui/Dockerfile in examples/nginx fails to build because python can't be found.

npm ERR! gyp ERR! configure error 
npm ERR! gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.

Adding RUN apk add --no-cache python to webui/Dockerfile fails with python (no such package). Adding RUN apk add --no-cache python2 to webui/Dockerfile fails with python2 (no such package). Adding RUN apk add --no-cache python3 to webui/Dockerfile installs python3 and aliasing it as python with ln -sf python /usr/bin/python3 fails with npm ERR! gyp ERR! stack Error: Command failed: /usr/bin/python -c import sys; print "%s.%s.%s" % sys.version_info[:3]; npm ERR! gyp ERR! stack File "<string>", line 1 npm ERR! gyp ERR! stack import sys; print "%s.%s.%s" % sys.version_info[:3];

Environment

• OS: Linux

• API version: 8.7.0

• Deployment: Docker

• Database: Postgres

• Server config: Auth enabled? No Auth provider? na Customer views? No (or provide the /config endpoint output)

• web UI version: 8.7.0

• CLI version: 8.7.0

To Reproduce Steps to reproduce the behavior: git clone https://github.com/alerta/docker-alerta.git cd docker-alerta/examples/nginx docker-compose build

Expected behavior The docker container to build successfully.

[bd5872]

I experienced the same issue.

Resolved with https://github.com/alerta/docker-alerta/pull/395

[satterly]

Fixed by #395