Add stack for running osmosis frontend app (#673)

* osmosis FE stack

* chmod

* dont use 3000

* fix for neww stack format

* updates

* update osmosis readme

* Update stack.yml

* Update osmosis frontend stack to serve app

* Host osmosis app static build using python server

* Fix mapped ports in deployment for containers

* Update instructions

* Use nginx server to host files and handle page reloads

* Fix typo

---------

Co-authored-by: zramsay <zach@bluecollarcoding.ca>
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

stack_orchestrator/data/config/osmosis/build-app.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+
+# Check and exit if a deployment already exists (on restarts)
+if [ -d /app-builds/osmosis/build ]; then
+  echo "Build already exists, remove volume to rebuild"
+  exit 0
+fi
+
+yarn build:static
+
+# Move build to app-builds
+mkdir -p /app-builds/osmosis
+cp -r ./out /app-builds/osmosis/build

stack_orchestrator/data/config/osmosis/nginx/web-app.conf

@@ -0,0 +1,16 @@
+server {
+    listen       80;
+    listen  [::]:80;
+    server_name  _;
+
+    error_page   500 502 503 504  /50x.html;
+
+    location / {
+        root   /usr/share/nginx/osmosis/build;
+        index index.html index.htm index.nginx-debian.html;
+
+        # First attempt to serve request as file, then as html,
+		# then as directory, then fall back to displaying a 404.
+		try_files $uri $uri.html $uri/ /index.html =404;
+    }
+}