Add automated smoketest

Author: TrafeX

docker-compose.test.yml

@@ -0,0 +1,30 @@
+version: '3.5'
+
+services:
+  db:
+    image: mariadb:10.3
+    environment:
+      MYSQL_ROOT_PASSWORD: wordpress
+      MYSQL_DATABASE: wordpress
+      MYSQL_USER: wordpress
+      MYSQL_PASSWORD: wordpress
+
+  wordpress:
+    depends_on:
+      - db
+    build: ./
+    environment:
+      DB_HOST: db
+      DB_PASSWORD: wordpress
+      DB_NAME: wordpress
+      DB_USER: wordpress
+      WORDPRESS_SITE_URL: http://localhost
+      FS_METHOD: direct
+
+  sut:
+    image: alpine:3.10
+    depends_on:
+      - wordpress
+    command: /tmp/run_tests.sh
+    volumes:
+      - "./run_tests.sh:/tmp/run_tests.sh:ro"

run_tests.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+apk --no-cache add curl
+while ! curl -fs wordpress > /dev/null; do echo -n '.'; sleep 1; done;
+curl --silent --fail http://wordpress/wp-admin/install.php | grep 'wp-core-ui' > /dev/null