{"id":10062,"date":"2026-04-29T19:08:49","date_gmt":"2026-04-29T13:38:49","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=10062"},"modified":"2026-04-29T19:09:47","modified_gmt":"2026-04-29T13:39:47","slug":"how-to-configure-kubernetes-ingress-with-automatic-ssl-certificates-without-helm","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/how-to-configure-kubernetes-ingress-with-automatic-ssl-certificates-without-helm\/","title":{"rendered":"How to Configure Kubernetes Ingress with Automatic SSL Certificates (Without Helm)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Introduction<\/h3>\n\n\n\n<p>Managing external access to applications in Kubernetes can feel complex\u2014especially when you want secure HTTPS connections. Fortunately, Kubernetes provides a powerful combination of <strong>Ingress<\/strong> and <strong>automatic SSL certificate management<\/strong> using tools like NGINX Ingress Controller and Cert-Manager.<\/p>\n\n\n\n<p>In this guide, you\u2019ll learn how to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Set up an Ingress controller manually (no Helm)<\/li>\n\n\n\n<li>Configure automatic SSL using Let\u2019s Encrypt<\/li>\n\n\n\n<li>Secure your application with HTTPS<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Architecture Overview<\/strong><\/h2>\n\n\n\n<p>Before we begin, here\u2019s how everything connects:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ingress Controller (NGINX)<\/strong> \u2192 Handles incoming traffic<\/li>\n\n\n\n<li><strong>Cert-Manager<\/strong> \u2192 Requests &amp; renews SSL certificates<\/li>\n\n\n\n<li><strong>Let\u2019s Encrypt<\/strong> \u2192 Issues free SSL certificates<\/li>\n\n\n\n<li><strong>Ingress Resource<\/strong> \u2192 Defines routing rules<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16.png\"><img loading=\"lazy\" decoding=\"async\" width=\"926\" height=\"620\" src=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16.png\" alt=\"\" class=\"wp-image-10063\" srcset=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16.png 926w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16-300x201.png 300w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16-768x514.png 768w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16-448x300.png 448w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-16-272x182.png 272w\" sizes=\"auto, (max-width: 926px) 100vw, 926px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Install NGINX Ingress Controller<\/h3>\n\n\n\n<p>Apply the official manifest directly:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl apply -f https:\/\/raw.githubusercontent.com\/kubernetes\/ingress-nginx\/main\/deploy\/static\/provider\/cloud\/deploy.yaml<\/code><\/pre>\n\n\n\n<p><strong>Verify installation:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl get pods -n ingress-nginx<\/code><\/pre>\n\n\n\n<p>Wait until all pods are in <strong>Running<\/strong> state.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Install Cert-Manager<\/h3>\n\n\n\n<p>Apply Cert-Manager CRDs and components:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl apply -f https:\/\/github.com\/cert-manager\/cert-manager\/releases\/latest\/download\/cert-manager.yaml<\/code><\/pre>\n\n\n\n<p><strong>Check pods:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl get pods -n cert-manager<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Create a ClusterIssuer for Let\u2019s Encrypt<\/h3>\n\n\n\n<p>This defines how certificates are issued.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>apiVersion: cert-manager.io\/v1\nkind: ClusterIssuer\nmetadata:\n  name: letsencrypt-demo\nspec:\n  acme:\n    email: your-email@example.com\n    server: https:\/\/acme-v02.api.letsencrypt.org\/directory\n    privateKeySecretRef:\n      name: letsencrypt-demo-key\n    solvers:\n    - http01:\n        ingress:\n          class: nginx<\/code><\/pre>\n\n\n\n<p><strong>Apply it:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl apply -f cluster-issuer.yaml<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4: Deploy Your Application<\/h3>\n\n\n\n<p>Example deployment and service:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: demo-app\nspec:\n  replicas: 1\n  selector:\n    matchLabels:\n      app: demo-app\n  template:\n    metadata:\n      labels:\n        app: demo-app\n    spec:\n      containers:\n      - name: demo-app\n        image: nginx\n        ports:\n        - containerPort: 80\n---\napiVersion: v1\nkind: Service\nmetadata:\n  name: demo-service\nspec:\n  selector:\n    app: demo-app\n  ports:\n    - port: 80\n      targetPort: 80<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Step 5: Create Ingress with Auto SSL<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>apiVersion: networking.k8s.io\/v1\nkind: Ingress\nmetadata:\n  name: demo-ingress\n  annotations:\n    cert-manager.io\/cluster-issuer: \"letsencrypt-demo\"\nspec:\n  ingressClassName: nginx\n  tls:\n  - hosts:\n    - yourdomain.com\n    secretName: demo-tls\n  rules:\n  - host: yourdomain.com\n    http:\n      paths:\n      - path: \/\n        pathType: Prefix\n        backend:\n          service:\n            name: demo-service\n            port:\n              number: 80<\/code><\/pre>\n\n\n\n<p><strong>Apply it:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl apply -f ingress.yaml<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Step 6: Point Your Domain<\/h3>\n\n\n\n<p><strong>Update your DNS:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Add an <strong>A record<\/strong> pointing <code>yourdomain.com<\/code> \u2192 Ingress external IP<\/li>\n<\/ul>\n\n\n\n<p><strong>Check IP:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl get svc -n ingress-nginx<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Step 7: Verify SSL Certificate<\/h3>\n\n\n\n<p><strong>Check certificate status:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>kubectl describe certificate<\/code><\/pre>\n\n\n\n<p><strong>Once issued, access:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>https:&#47;&#47;yourdomain.com<\/code><\/pre>\n\n\n\n<p>You should see a secure HTTPS connection<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p>Setting up Kubernetes Ingress with automatic SSL certificates <strong>without Helm<\/strong> gives you full control and a deeper understanding of your cluster. By combining NGINX Ingress Controller and Cert-Manager, you can securely expose applications with minimal manual effort.<\/p>\n\n\n\n<p>Once configured, certificates renew automatically\u2014so you can focus on building your application instead of managing infrastructure.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-17.png\"><img loading=\"lazy\" decoding=\"async\" width=\"737\" height=\"503\" src=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-17.png\" alt=\"\" class=\"wp-image-10064\" srcset=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-17.png 737w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-17-300x205.png 300w, https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2026\/04\/image-17-440x300.png 440w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/a><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Managing external access to applications in Kubernetes can feel complex\u2014especially when you want secure HTTPS connections. Fortunately, Kubernetes provides a powerful combination of Ingress and automatic SSL certificate management using tools like NGINX Ingress Controller and Cert-Manager. In this guide, you\u2019ll learn how to: Architecture Overview Before we begin,&hellip; <a href=\"https:\/\/pheonixsolutions.com\/blog\/how-to-configure-kubernetes-ingress-with-automatic-ssl-certificates-without-helm\/\" class=\"more-link read-more\" rel=\"bookmark\">Continue Reading <span class=\"screen-reader-text\">How to Configure Kubernetes Ingress with Automatic SSL Certificates (Without Helm)<\/span><i class=\"fa fa-arrow-right\"><\/i><\/a><\/p>\n","protected":false},"author":532,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-10062","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"h-entry","9":"h-as-article"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pheonix Solutions - We Empower Your Business Growth<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pheonixsolutions.com\/blog\/how-to-configure-kubernetes-ingress-with-automatic-ssl-certificates-without-helm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pheonix Solutions - We Empower Your Business Growth\" \/>\n<meta property=\"og:description\" content=\"Introduction Managing external access to applications in Kubernetes can feel complex\u2014especially when you want secure HTTPS connections. 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