Merge pull request #7 from rnemeth90/wip/mount-secrets-k8s

new article

content/posts/2024-06-29-mount multiple Kubernetes secrets into one directory.md

@@ -0,0 +1,68 @@
+---
+title: 'Mounting Multiple Kubernetes Secrets into One Directory'
+author: Ryan
+date: '2024-06-29'
+layout: post
+draft: false
+categories:
+  - Kubernetes
+tags:
+  - devops
+  - web development
+  - software development
+---
+
+# Introduction
+
+Combining multiple Kubernetes secrets into a single directory can streamline secret management in your applications. This guide walks you through the process of achieving this in Kubernetes, ensuring efficient and organized secret management.
+
+# Creating Secrets
+
+First, create your secrets using the `kubectl create secret` command:
+
+```
+kubectl create secret generic secret-one --from-literal=key1=value1
+kubectl create secret generic secret-two --from-literal=key2=value2
+```
+
+Each secret can contain multiple key-value pairs, and you can add more secrets as needed.
+
+# Configuring the Pod
+
+Next, define the pod configuration to mount these secrets into a single directory. Here’s an example configuration:
+
+```
+apiVersion: v1
+kind: Pod
+metadata:
+  name: mypod
+spec:
+  containers:
+  - name: mycontainer
+    image: myimage
+    volumeMounts:
+    - name: secret-volume1
+      mountPath: "/etc/secrets/secret-one"
+      subPath: key1
+    - name: secret-volume2
+      mountPath: "/etc/secrets/secret-two"
+      subPath: key2
+  volumes:
+  - name: secret-volume1
+    secret:
+      secretName: secret-one
+  - name: secret-volume2
+    secret:
+      secretName: secret-two
+```
+
+# Detailed Explanation
+
+- Volume Mounts: The `volumeMounts` section specifies where the secrets will be mounted within the container's file system. By using the `subPath` property, you can place each secret's content into a specific file within the target directory.
+- Volumes: The volumes section links each volume to a Kubernetes secret. This ensures that the secrets are available to the container at runtime.
+
+In this example, secret-one and secret-two are mounted into `/etc/secrets/secret-one` and `/etc/secrets/secret-two`, respectively. The `subPath` ensures that each key-value pair from the secrets is mapped to a separate file within the specified directory.
+
+# Conclusion
+
+By mounting secrets into subdirectories using the `subPath` property, you can effectively manage multiple secrets within a single directory. This method enhances organization and accessibility, making it easier to handle secrets in your Kubernetes applications.