Implement Travis CI

.travis.yml

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+sudo: required
+language: python
+cache:
+  directories:
+  - pip
+before_install:
+- make travis-before-install-$TEST_SUITE
+install:
+- make travis-install-$TEST_SUITE
+before_script:
+- make travis-before-script-$TEST_SUITE
+script:
+- make travis-$SCRIPT-$TEST_SUITE
+jobs:
+  include:
+    - stage: test
+      python: 3.6
+      env:
+      - TEST_SUITE=backend
+      - SCRIPT=test
+      services:
+      - mysql
+      after_success:
+      - mysqldump --user='root' --password='' test_project > ~/$TRAVIS_BRANCH/databases/db.sql
+      - aws s3 sync ~/$TRAVIS_BRANCH s3://org-travis-ci/$TRAVIS_BRANCH
+notifications:
+  email: false

Makefile

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+travis-before-install-backend:
+	sudo rm -f /etc/boto.cfg
+
+travis-install-backend:
+	pip install awscli
+	pip install -r ./requirements.txt
+
+travis-before-script-backend:
+	mkdir -p ~/$(TRAVIS_BRANCH)/databases/
+	touch ~/$(TRAVIS_BRANCH)/databases/db.sql
+	aws s3 sync s3://org-travis-ci/$(TRAVIS_BRANCH) ~/$(TRAVIS_BRANCH)
+	mysql --user='root' --password='' -e 'CREATE DATABASE IF NOT EXISTS test_project;'
+	@case $$TRAVIS_COMMIT_MESSAGE in *"[reset mysql]"*) \
+		echo 'Resetting MySQL database...'; \
+		aws s3 rm s3://org-travis-ci/$(TRAVIS_BRANCH)/databases/db.sql; \
+	;; *) \
+		echo 'Loading previous MySQL database...'; \
+		mysql --user='root' --password='' test_project < ~/$(TRAVIS_BRANCH)/databases/db.sql; \
+	esac
+
+travis-test-backend:
+	cd project; python manage.py test --keepdb --failfast -v 3 project
+
+travis-noop:
+	@echo "Move along..."

README.md

@@ -1 +1,12 @@
 # travis-ci-persistent-db
+
+Maintain a persistent database per branch on Travis CI builds.
+Use `[reset mysql]` in a commit message to reset database.
+
+### Pull Request Showing Difference
+
+https://github.com/michaelhelmick/travis-ci-persistent-db/pull/1
+
+### Blog Post
+
+https://medium.com/@mikehelmick/persistent-databases-on-travis-ci-19ca6f968d50