Use yadm/jekyll:latest image

.travis.yml

@@ -1,12 +1,12 @@
 ---
 env:
-  - IMAGE="jekyll/jekyll:3.8.5"
+  - IMAGE="yadm/jekyll:latest"
 language: minimal
 services:
   - docker
 before_install:
   - docker pull $IMAGE
-  - docker create -t --name yadm-website --entrypoint test/travis-ci $IMAGE
+  - docker create -t --name yadm-website --entrypoint test/validate $IMAGE
   - docker cp ./ yadm-website:/srv/jekyll
 script:
   - docker start yadm-website -a

Makefile

@@ -13,7 +13,7 @@ usage:
 	@echo 'TESTING'
 	@echo
 	@echo '  make test'
-	@echo '    - Perform tests done by travis-ci.'
+	@echo '    - Perform tests done by continuous integration.'
 	@echo '      This target will:'
 	@echo '        - Remove previously built data'
 	@echo '        - Build the site'
@@ -40,7 +40,7 @@ usage:
 
 .PHONY: test
 test: require-docker-compose clean
-	docker-compose run --rm website test/travis-ci
+	docker-compose run --rm website test/validate
 
 .PHONY: up
 up: require-docker-compose

docker-compose.yml

@@ -2,7 +2,7 @@
 version: '3'
 services:
   website:
-    image: jekyll/jekyll:3.8.5
+    image: yadm/jekyll:latest
     ports:
       - 4000:4000
     volumes: