Move builds from Travis to Github

.github/workflows/ci-build.yml

@@ -0,0 +1,13 @@
+name: CI build
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build Docker image
+        run: docker build -t rapidrake-image .
+      - name: Run tests inside container
+        run: docker run rapidrake-image

Dockerfile

@@ -0,0 +1,14 @@
+FROM ubuntu
+
+ADD . /home/rapidrake-java
+
+WORKDIR /home/rapidrake-java
+
+RUN apt-get update; \
+    apt-get install -y --no-install-recommends openjdk-8-jdk maven wget; \
+    update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java; \
+    mkdir model-bin; \
+    wget -P model-bin http://opennlp.sourceforge.net/models-1.5/en-sent.bin; \
+    wget -P model-bin http://opennlp.sourceforge.net/models-1.5/en-pos-maxent.bin
+
+ENTRYPOINT ["mvn", "test"]

README.md

@@ -3,7 +3,7 @@ rapidrake
 
 > A fast version of the Rapid Automatic Keyword Extraction (RAKE) algorithm
 
-[![Linux Build Status](https://travis-ci.org/crew102/rapidrake-java.svg?branch=master)](https://travis-ci.org/crew102/rapidrake-java)
+[![CI build](https://github.com/crew102/rapidrake-java/actions/workflows/ci-build.yml/badge.svg)](https://github.com/crew102/rapidrake-java/actions/workflows/ci-build.yml)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.github.crew102/rapidrake/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.github.crew102/rapidrake)
 
 Installation