From fe1fd7ccccdac052391119999d724568c2f2281f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mustafa=20Ak=C4=B1n?= <mustafa@resmo.com>
Date: Fri, 21 Jul 2023 11:31:05 +0300
Subject: [PATCH] Added example for secret expansion, updated to go 1.20

---
 .github/workflows/test.yml | 4 ++--
 .gitignore                 | 3 +--
 Dockerfile                 | 2 +-
 README.md                  | 5 +++++
 config.example.yaml        | 1 +
 5 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4903f132..0a8513b9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,10 +6,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go 1.19
+    - name: Set up Go 1.20
       uses: actions/setup-go@v3
       with:
-        go-version: 1.19
+        go-version: 1.20
       id: go
 
     - name: Check out code into the Go module directory
diff --git a/.gitignore b/.gitignore
index 82a23ded..68729d6b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 .idea/
-.DS_Store
-fork.sh
\ No newline at end of file
+.DS_Store
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 27a7fda4..2a07abd0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.19 AS builder
+FROM golang:1.20 AS builder
 
 ADD . /app
 WORKDIR /app
diff --git a/README.md b/README.md
index 89fc80b3..c9fcc679 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,11 @@ receivers:
 * A route can have many sub-routes, forming a tree.
 * Routing starts from the root route.
 
+## Using Secrets
+
+In your config file, you can refer to environment variables as `${API_KEY}` therefore you can use ConfigMap or Secrets 
+to keep the config file clean of secrets.
+
 ## Troubleshoot "Events Discarded" warning:
 
 - If there are `client-side throttling` warnings in the event-exporter log:
diff --git a/config.example.yaml b/config.example.yaml
index 0c978f9b..3b6e694b 100644
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -36,6 +36,7 @@ receivers:
       hosts:
         - "http://localhost:9200"
       indexFormat: "kube-events-{2006-01-02}"
+      apiKey: ${ELASTIC_API_KEY}
   - name: "opensearch-dump"
     opensearch:
       hosts: