Build-fail test example

Signed-off-by: BugFest <bugfest.dev@pm.me>

tests/build_fail/context/Dockerfile-alt

@@ -1,9 +0,0 @@
-FROM busybox
-ARG buildno=1
-ARG httpd_port=80
-ARG other_variable=not_set
-ENV httpd_port ${httpd_port}
-ENV other_variable ${other_variable}
-RUN mkdir -p /var/www/html/ && \
-    echo "ALT buildno=$buildno port=$httpd_port `date -Iseconds`" > /var/www/html/index.txt
-CMD httpd -f -p "$httpd_port" -h /var/www/html

tests/build_fail/docker-compose.yml

@@ -1,25 +1,5 @@
 version: "3"
 services:
-    web1:
+    test:
       build: ./context
-      image: my-busybox-httpd
-      ports:
-      - 8080:80
-    web2:
-      build:
-        context: ./context
-        dockerfile: Dockerfile-alt
-        labels:
-            mykey: myval
-        args:
-            buildno: 2
-            httpd_port: 8000
-      image: my-busybox-httpd2
-      ports:
-      - 8000:8000
-    test_build_arg_argument:
-      build:
-        context: ./context
-        dockerfile: Dockerfile-alt
-      image: my-busybox-httpd2
-      command: env
+      image: build-fail-img