When a new deployment occurs in k8s, all connected LiveViews now receive
a notification to update their deployment timestamp display.
Changes:
- Added DeploymentNotifier GenServer that broadcasts deployment events
- LiveViews subscribe to "deployment_events" PubSub topic
- When DEPLOYED_AT env var is set (k8s deployments), a notification is
sent after app startup
- LiveViews handle the deployment event and update their timestamp
This ensures that when a new version is deployed, users see the
deployment timestamp update in real-time without needing to refresh
their browser.
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Co-Authored-By: Claude <noreply@anthropic.com>
Previously, the deployment timestamp was set to DateTime.utc_now() when
the application started, which meant it would always show as recent in
k8s environments where pods are recreated on each deployment.
This commit:
- Updates Release.init() to check for DEPLOYED_AT environment variable
- Falls back to current time if env var is not set (backwards compatible)
- Adds proper ISO8601 timestamp parsing with error handling
- Updates GitHub Actions deploy workflow to set DEPLOYED_AT during deployment
- Creates k8s patch file for future manual deployments
The deployment timestamp will now persist across pod restarts in k8s,
showing the actual deployment time rather than pod startup time.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Run mix format to fix multi-line function call formatting.
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Co-Authored-By: Claude <noreply@anthropic.com>
- Add comprehensive type specs to all functions in Encoding module
- Add missing specs to private functions in EncodingUtils
- Fix compilation warnings (unused variables, deprecated Logger.warn)
- Fix dialyzer warnings about unreachable code and implicit nil returns
- Remove unused do_migrate/1 function
- Remove last references to erlc_paths and gleeunit dependency
All dialyzer specs now pass without warnings.
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Co-Authored-By: Claude <noreply@anthropic.com>
- Add statement_timeout and lock_timeout settings to migration
- Remove generated column addition that requires full table rewrite
- Replace with functional index to avoid table rewrite
- Create separate migration for generated column with 2-hour timeout
- Add MIGRATION_TIMEOUT environment variable support (default 2 hours)
- Configure extended timeouts in Release.migrate for large operations
The main migration now uses only CONCURRENTLY operations that don't lock
the table. The generated column addition is deferred to a separate migration
that can be run during a maintenance window.
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Co-Authored-By: Claude <noreply@anthropic.com>
- Add MigrationLock module using PostgreSQL advisory locks
- Prevent concurrent migrations across multiple nodes
- Update Release.migrate to use distributed lock when cluster enabled
- Disable auto-migrations in cluster mode to avoid race conditions
- Add init container configuration for Kubernetes deployments
- Document migration strategies in k8s/README-migrations.md
This ensures only one node runs database migrations at a time, preventing
conflicts and race conditions in distributed deployments.
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Co-Authored-By: Claude <noreply@anthropic.com>
- Add SKIP_DB_CREATE env var to skip database creation when using PgBouncer
- Fix redis_children() to return proper child specs
- Implement zero-downtime graceful shutdown without user notifications
- Add health check plug for Kubernetes probes
- Remove user-facing shutdown notifications for seamless deployments
Co-Authored-By: Claude <noreply@anthropic.com>
- Add create_database/0 function to handle database creation before migrations
- Make DeviceCache handle missing tables gracefully on startup
- Retry device loading after 5 seconds if initial load fails
- Prevent deployment failures when database doesn't exist yet
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Co-Authored-By: Claude <noreply@anthropic.com>
