README: Add development instructions

README.md

@@ -1 +1,56 @@
 # osbuild-installer-frontend
+
+## Development
+
+1. Clone the following repositories:
+    * https://github.com/osbuild/osbuild-installer-frontend
+    * https://github.com/osbuild/osbuild-installer
+    * https://github.com/RedHatInsights/insights-proxy
+
+Optional: https://github.com/osbuild/osbuild-composer
+
+2. Setting up the proxy
+
+    Choose a runner (podman or docker), and point the SPANDX_CONFIG variable to
+    profile/local-frontend-and-api-with-identity.js included in
+    osbuild-installer-frontend.
+
+    ```
+        sudo insights-proxy/scripts/patch-etc-hosts.sh
+        export RUNNER="podman"
+        export SPANDX_CONFIG=$PATH_TO/osbuild-installer-frontend/profiles/local-frontend-and-api-with-identity.js
+        sudo -E insights-proxy/scripts/run.sh
+    ```
+
+3. Starting up osbuild-composer-cloud
+
+    Make sure osbuild-composer is installed and osbuild-composer-cloud is
+    enabled:
+
+    `sudo systemctl enable --now osbuild-composer-cloud.socket`
+
+    Start a remote worker like so:
+
+    `sudo systemctl enable --now osbuild-remote-worker@localhost:8704`
+
+4. Starting up osbuild-installer
+    In the osbuild-installer checkout directory
+
+    ```
+        make build
+        OSBUILD_SERVICE="http://127.0.0.1:8703/" ./osbuild-installer
+    ```
+
+5. Starting up osbuild-installer-frontend
+
+    In the osbuild-installer-frontend checkout direcotry
+
+    ```
+        npm install
+        npm start
+    ```
+
+The UI should be running on
+https://prod.foo.redhat.com:1337/apps/osbuild-installer/landing, the api
+(osbuild-installer) on
+https://prod.foo.redhat.com:1337/api/osbuild-installer/v1/openapi.json