Kubernetes for Beginners — Part 09 (Kubernetes Secrets)

Hey folks, welcome back with a new chapter of the Kubernetes for Beginners tutorial series. In the last article, we discussed Kubernetes config maps, and today we are going to discuss Kubernetes Secrets.

Nethmini Romina
Jan 24 · 5 min read
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Step 01: Creating secrets

Method 01

kubectl create secret generic
kubectl create secret generic \
<secrete_name> --from-literal=<KEY>=<VALUE>
kubectl create secret generic \
my-secret --from-literal=USERNAME=admin
kubectl create secret generic \
<secrete_name> --from-file=<PATH_TO_FILE>
USERNAME: admin
PASSWORD: admin123
kubectl create secret generic \
my-secret --from-file=secrets.properties

Method 02

apiVersion: v1
kind: Secret
metadata:
name: my-secret
data:
USERNAME: admin
PASSWORD: admin123
apiVersion: v1
kind: Secret
metadata:
name: my-secret
data:
USERNAME: YWRtaW4=
PASSWORD: YWRtaW4xMjM=
kubectl apply -f secrets.yaml

Step 02: Inject secrets

apiVersion: v1
kind: Pod
metadata:
name: nginx-pod
labels:
app: myapp
spec:
containers:
- name: nginx-container
image: nginx
envFrom:
- secretRef:
name: my-secret
env:
- name: USERNAME
valueFrom:
secretKeyRef:
name: my-secret
key: USERNAME
volumes:
- name: my-secret-volume
secret:
secretName: my-secret

Additionally

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Nethmini Romina

Written by

📨 nethminiromina@gmail.com — Connect on: https://www.linkedin.com/in/nethminiromina/

FAUN

FAUN

The Must-Read Publication for Creative Developers & DevOps Enthusiasts. Medium’s largest DevOps publication.

Nethmini Romina

Written by

📨 nethminiromina@gmail.com — Connect on: https://www.linkedin.com/in/nethminiromina/

FAUN

FAUN

The Must-Read Publication for Creative Developers & DevOps Enthusiasts. Medium’s largest DevOps publication.

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