add travis.yml

Author: Lenz Weber

.travis.yml

@@ -0,0 +1,43 @@
+language: node_js
+
+node_js:
+  - "8"
+  - "10"
+
+addons:
+  postgresql: "9.4"
+  apt:
+    packages:
+      - postgresql-server-dev-9.4
+
+env:
+  TEST_DATABASE_URL: postgres://localhost:5432/travis
+  PGVERSION: 9.4
+
+cache: yarn
+
+install:
+  - yarn
+
+before_script:
+  - psql -c "ALTER USER travis WITH PASSWORD 'travis';"
+  - sudo service postgresql restart
+
+script:
+  - scripts/test
+
+matrix:
+  include:
+    - addons:
+        apt:
+          packages:
+            - postgresql-10
+            - postgresql-client-10
+            - postgresql-server-dev-10
+        postgresql: 10
+      env:
+        - PGPORT=5433
+        - TEST_DATABASE_URL=postgres://travis:travis@localhost:5433/travis
+        - PGVERSION=10
+      sudo: false
+      dist: trusty