hs-test: proxy testing improvement

- new container topologies and suites for VPP proxy and Envoy proxy
- removed build docker image since it can't be used with CI cache
  builder, container builders are designed to be stateless, they
  only preserve build-cache, but not images

Type: test
Change-Id: I93e4d079780d18d6aa3b5ce807adc4707b6f2d9b
Signed-off-by: Matus Fabian <matfabia@cisco.com>
diff --git a/extras/hs-test/topo-containers/vppProxy.yaml b/extras/hs-test/topo-containers/vppProxy.yaml
new file mode 100644
index 0000000..c4bbbe9
--- /dev/null
+++ b/extras/hs-test/topo-containers/vppProxy.yaml
@@ -0,0 +1,26 @@
+---
+volumes:
+  - volume: &shared-vol-vpp-proxy
+      host-dir: "$HST_VOLUME_DIR/shared-vol-vpp-proxy"
+
+containers:
+  - name: "vpp-proxy"
+    volumes:
+      - <<: *shared-vol-vpp-proxy
+        container-dir: "/tmp/vpp"
+        is-default-work-dir: true
+  - name: "nginx-server"
+    volumes:
+      - <<: *shared-vol-vpp-proxy
+        container-dir: "/tmp/nginx"
+        is-default-work-dir: true
+    image: "hs-test/nginx-server"
+    is-optional: true
+  - name: "curl"
+    vars:
+      - name: LD_LIBRARY_PATH
+        value: "/usr/local/lib"
+    image: "hs-test/curl"
+    is-optional: true
+    run-detached: false
+