Updated readme and dockerfile

Dockerfile

@@ -1,7 +1,11 @@
 # Build the manager binary
-FROM golang:1.18 as builder
+FROM golang:1.20 as builder
 
 WORKDIR /workspace
+
+# Copy cluster-api-ipam-provider-in-cluster dir - to be removed when upstream changes will be merged
+COPY ../cluster-api-ipam-provider-in-cluster/ ../cluster-api-ipam-provider-in-cluster/
+
 # Copy the Go Modules manifests
 COPY go.mod go.mod
 COPY go.sum go.sum

README.md

@@ -14,6 +14,21 @@ You can use Makefile to deploy Cluster API IMAP Provider Infoblox. First install
 ```bash
   make install
 ```
+
+Deploy [cert-manager](https://cert-manager.io):
+
+```bash
+  kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.13.3/cert-manager.yaml
+```
+
+Apply required Cluster API CRDs:
+
+```bash
+  kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/release-1.6/config/crd/bases/ipam.cluster.x-k8s.io_ipaddresses.yaml
+
+  kubectl apply -f https://raw.githubusercontent.com/kubernetes-sigs/cluster-api/release-1.6/config/crd/bases/ipam.cluster.x-k8s.io_ipaddressclaims.yaml
+```
+
 Then, deploy provider itself with:
 
 ```bash