Update tests to check env variables handling

Author: macbre

.github/workflows/dockerimage.yml

@@ -25,7 +25,12 @@ jobs:
 
     - name: Serve a static asset
       run: |
-        docker run --detach --rm -p 0.0.0.0:8888:80 -v "$PWD/tests":/static:ro  -v "$PWD/tests/static.conf":/etc/nginx/conf.d/static.conf:ro --name test_nginx -t ${{ github.repository }}
+        docker run --detach --rm -p 0.0.0.0:8888:80 -v "$PWD/tests":/static:ro  -v "$PWD/tests/static.conf":/etc/nginx/conf.d/static.conf:ro -v "$PWD/tests/env.conf":/etc/nginx/main.d/env.conf:ro --env FOO=foo-test --name test_nginx -t ${{ github.repository }}
         sleep 2; docker ps
-        curl -v --compressed 0.0.0.0:8888
+        curl -v --compressed 0.0.0.0:8888 2>&1 | tee /tmp/out
+
+        # assert response headers presense
+        grep 'X-Foo: foo-test' /tmp/out
+        grep 'Content-Encoding: br' /tmp/out
+
         docker logs test_nginx

tests/env.conf

@@ -0,0 +1 @@
+env FOO;

tests/static.conf

@@ -9,5 +9,10 @@ server {
         brotli_static on;
 
         expires 1d;
+
+	# test lua module, see env.conf too
+	set_by_lua $foo_from_env 'return os.getenv("FOO")';
+
+	add_header X-Foo $foo_from_env;
     }
 }