add keycloak usage guide #108
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WalkthroughAdded a new Keycloak documentation guide covering architecture, features, Kubernetes quick-start deployments (Postgres + Keycloak YAML), admin console access, and RH-SSO→Keycloak migration steps with export/import commands and examples. Changes
Estimated code review effort🎯 1 (Trivial) | ⏱️ ~2 minutes Poem
🚥 Pre-merge checks | ✅ 3✅ Passed checks (3 passed)
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Actionable comments posted: 2
🤖 Fix all issues with AI agents
In `@docs/en/solutions/Keycloak_Guide.md`:
- Around line 50-100: The StatefulSet's serviceName "postgresql-db-service" does
not match the Service's metadata name "postgres-db", causing the headless
service linkage to fail; update one of them so they match (either change the
StatefulSet's serviceName to "postgres-db" or rename the Service metadata.name
to "postgresql-db-service") ensuring the Service selector/ports remain correct
for the postgresql-db StatefulSet.
- Around line 86-87: The snippet defines a volume named "cache-volume" using
emptyDir which causes data loss on pod restarts; update the docs next to the
"cache-volume" entry to add a clear warning that emptyDir is unsuitable for
PostgreSQL in production and recommend using a PersistentVolumeClaim (PVC) or
other persistent storage solution instead, and include a brief note explaining
that emptyDir is acceptable for dev/test only and will lose data if the pod is
deleted, restarted, or rescheduled.
🧹 Nitpick comments (3)
docs/en/solutions/Keycloak_Guide.md (3)
17-18: Add blank line before table.Markdown tables should be surrounded by blank lines for proper rendering and consistency.
📝 Proposed fix
# Keycloak vs Red Hat Single Sign-On (RH-SSO) + | Category | Keycloak | Red Hat Single Sign-On (RH-SSO) |
192-192: Minor: Consider hyphenating "basic-auth-type".For consistency with Kubernetes terminology, "basic-auth type Secret" could be written as "basic-auth-type Secret."
216-224: Minor: Add language identifier to code block.The fenced code block should specify a language (e.g.,
text) for proper syntax highlighting and linting compliance.📝 Proposed fix
### Overall Migration Process -``` +```text RH-SSO (OpenShift) ↓ Export as JSON file
📜 Review details
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (1)
docs/en/solutions/Keycloak_Guide.md
🧰 Additional context used
🧠 Learnings (1)
📚 Learning: 2026-01-13T11:25:34.596Z
Learnt from: jing2uo
Repo: alauda/knowledge PR: 104
File: docs/en/solutions/How_to_Migrate_VirtualMachine_From_VMware.md:131-172
Timestamp: 2026-01-13T11:25:34.596Z
Learning: In VMware migration documentation (docs/en/solutions), when describing the Forklift Operator workflow for VMware, specify that the VMware provider secret should set insecureSkipVerify=true to accommodate self-signed certificates commonly used in enterprise vCenter/ESXi environments. Include a note on the security trade-offs and ensure readers understand this is for internal, controlled environments.
Applied to files:
docs/en/solutions/Keycloak_Guide.md
🪛 LanguageTool
docs/en/solutions/Keycloak_Guide.md
[style] ~2-~2: Consider using a more concise synonym.
Context: ...ons, APIs and microservices, supporting a variety of mainstream identity authentication prot...
(A_VARIETY_OF)
[grammar] ~192-~192: Use a hyphen to join words.
Context: ...stores these credentials as a basic-auth type Secret object, which is in the same...
(QB_NEW_EN_HYPHEN)
🪛 markdownlint-cli2 (0.18.1)
docs/en/solutions/Keycloak_Guide.md
18-18: Tables should be surrounded by blank lines
(MD058, blanks-around-tables)
216-216: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
✏️ Tip: You can disable this entire section by setting review_details to false in your review settings.
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Actionable comments posted: 2
🤖 Fix all issues with AI agents
In `@docs/en/solutions/Keycloak_Guide.md`:
- Around line 17-18: Add a single blank line between the header "# Keycloak vs
Red Hat Single Sign-On (RH-SSO)" and the start of the table row "| Category
| Keycloak | Red Hat Single Sign-On (RH-SSO)
|" so the Markdown table renders correctly; update the Keycloak_Guide.md content
by inserting the blank line immediately after the header line and before the
table line.
- Around line 218-226: The code block containing the migration flow diagram
lacks a language identifier; update the opening fence of that triple-backtick
block to include a language token (e.g., change ``` to ```text) so the block is
rendered as plain text; locate the diagram block in Keycloak_Guide.md and modify
its opening fence accordingly while leaving the block contents and closing fence
unchanged.
🧹 Nitpick comments (3)
docs/en/solutions/Keycloak_Guide.md (3)
111-119: Consider explicitly specifying the database name.While Keycloak defaults to database name "keycloak", explicitly specifying it in the CR improves clarity and prevents potential misconfiguration in production environments.
📝 Suggested enhancement
db: vendor: postgres host: postgres-db + database: keycloak usernameSecret: name: keycloak-db-secret key: username
169-171: Explicitly enable ingress in production example.While setting
classNameandtlsSecretmay imply ingress usage, explicitly settingenabled: trueensures clarity and prevents misconfiguration.📝 Suggested enhancement
ingress: + enabled: true className: nginx tlsSecret: example-tls-secret
249-249: Add caution about the --override flag.The
--override trueflag will replace existing realms with the same name. Consider adding an explicit warning to prevent accidental data loss in production environments.
⚠️ Suggested documentation improvement## Execute the import command +# CAUTION: --override true will replace existing realms with the same name /opt/keycloak/bin/kc.sh import --file /tmp/sso-export.json --override true
| # Keycloak vs Red Hat Single Sign-On (RH-SSO) | ||
| | Category | Keycloak | Red Hat Single Sign-On (RH-SSO) | |
There was a problem hiding this comment.
Add blank line before table.
The comparison table should be preceded by a blank line for proper Markdown rendering.
📝 Proposed fix
# Keycloak vs Red Hat Single Sign-On (RH-SSO)
+
| Category | Keycloak | Red Hat Single Sign-On (RH-SSO) |📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| # Keycloak vs Red Hat Single Sign-On (RH-SSO) | |
| | Category | Keycloak | Red Hat Single Sign-On (RH-SSO) | | |
| # Keycloak vs Red Hat Single Sign-On (RH-SSO) | |
| | Category | Keycloak | Red Hat Single Sign-On (RH-SSO) | |
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)
18-18: Tables should be surrounded by blank lines
(MD058, blanks-around-tables)
🤖 Prompt for AI Agents
In `@docs/en/solutions/Keycloak_Guide.md` around lines 17 - 18, Add a single blank
line between the header "# Keycloak vs Red Hat Single Sign-On (RH-SSO)" and the
start of the table row "| Category | Keycloak
| Red Hat Single Sign-On (RH-SSO) |" so the Markdown
table renders correctly; update the Keycloak_Guide.md content by inserting the
blank line immediately after the header line and before the table line.
| ``` | ||
| RH-SSO (OpenShift) | ||
| ↓ Export as JSON file | ||
| Local Server | ||
| ↓ Copy the migration file | ||
| Keycloak (Kubernetes) | ||
| ↓ Import JSON file | ||
| Migration Completed | ||
| ``` |
There was a problem hiding this comment.
Specify language for code block.
The migration flow diagram should specify a language identifier (e.g., text) for proper rendering.
📝 Proposed fix
-```
+```text
RH-SSO (OpenShift)
↓ Export as JSON file📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| ``` | |
| RH-SSO (OpenShift) | |
| ↓ Export as JSON file | |
| Local Server | |
| ↓ Copy the migration file | |
| Keycloak (Kubernetes) | |
| ↓ Import JSON file | |
| Migration Completed | |
| ``` |
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)
218-218: Fenced code blocks should have a language specified
(MD040, fenced-code-language)
🤖 Prompt for AI Agents
In `@docs/en/solutions/Keycloak_Guide.md` around lines 218 - 226, The code block
containing the migration flow diagram lacks a language identifier; update the
opening fence of that triple-backtick block to include a language token (e.g.,
change ``` to ```text) so the block is rendered as plain text; locate the
diagram block in Keycloak_Guide.md and modify its opening fence accordingly
while leaving the block contents and closing fence unchanged.
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