chore: add generic cluster issuer

charts/cert-manager-issuer/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/cert-manager-issuer/Chart.yaml

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+apiVersion: v2
+name: explorer
+description: A Helm chart for cert-manager issuer
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.0.1
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "main"

charts/cert-manager-issuer/templates/00-lets-encrypt-issuer.yaml

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+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-prod
+spec:
+  acme:
+    server: https://acme-v02.api.letsencrypt.org/directory
+    email: {{ $.Values.acme.email }}
+    privateKeySecretRef:
+      name: letsencrypt-production
+    solvers:
+    - selector:
+        dnsZones:
+          - {{ $.Values.dnsZone }}
+      dns01:
+        route53:
+          region: {{ $.Values.region }}
+          role: {{ $.Values.role }}
+---
+apiVersion: cert-manager.io/v1
+kind: ClusterIssuer
+metadata:
+  name: letsencrypt-staging
+spec:
+  acme:
+    server: https://acme-staging-v02.api.letsencrypt.org/directory
+    email: {{ $.Values.dnsZone }}
+    privateKeySecretRef:
+      name: letsencrypt-staging
+    solvers:
+    - selector:
+        dnsZones:
+          - "example.com"
+      dns01:
+        route53:
+          region: {{ $.Values.region }}
+          role: {{ $.Values.role }}

charts/cert-manager-issuer/values.yaml

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+# Default values for cert-manager-issuer.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+region: us-east-1
+dnsZone: nowhere.com
+role: nobody
+
+acme:
+  email: [email protected]