Share CI steps between Docker and Travis

.dockerignore

@@ -2,4 +2,5 @@
 !app/
 !data/
 !tests/
+!tools/
 !requirements.txt

.travis.yml

@@ -4,6 +4,4 @@ python:
 install:
   - pip install -r requirements.txt
 script:
-  - python app/manage.py migrate
-  - python app/manage.py collectstatic
-  - python app/manage.py test server.tests
+  - tools/ci.sh

Dockerfile

@@ -3,18 +3,13 @@ ARG PYTHON_VERSION="3.6"
 FROM python:${PYTHON_VERSION}
 
 COPY requirements.txt /
-RUN python -m venv /venv \
- && /venv/bin/pip install --no-cache-dir -r /requirements.txt
+RUN pip install --no-cache-dir -r /requirements.txt
 
 COPY . /doccano
 
 WORKDIR /doccano
 
-RUN ["/venv/bin/python", "app/manage.py", "migrate"]
-RUN ["/venv/bin/python", "app/manage.py", "collectstatic"]
-RUN ["/venv/bin/python", "app/manage.py", "test", "server.tests"]
-
 ENV DEBUG="True"
 ENV SECRET_KEY="change-me-in-production"
 
-CMD ["/venv/bin/gunicorn", "--bind=0.0.0.0:80", "--workers=2", "--pythonpath=app", "app.wsgi"]
+CMD ["gunicorn", "--bind=0.0.0.0:80", "--workers=2", "--pythonpath=app", "app.wsgi"]

tools/ci.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+python app/manage.py migrate
+python app/manage.py collectstatic
+python app/manage.py test server.tests