kcmartin · Oct 15, 2026 · Oct 15, 2026
diff --git a/about/healthcare.mdx b/about/healthcare.mdx
@@ -1,5 +1,6 @@
 ---
 title: Healthcare apps on Fly
+description: "See how Fly.io supports healthcare apps: SOC2 Type 2 audits, BAA signing, WireGuard encryption in transit, encrypted volumes at rest, 6PN private networking."
 source_url: https://fly.io/docs/about/healthcare/
 ---
 

diff --git a/app-guides/multiple-processes.mdx b/app-guides/multiple-processes.mdx
@@ -1,5 +1,6 @@
 ---
 title: Multiple processes inside a Fly.io app
+description: "Run multiple processes in a Fly.io app using process groups in fly.toml, a Bash script, supervisord, or overmind with a Procfile, or use separate apps."
 source_url: https://fly.io/docs/app-guides/multiple-processes/
 ---
 

diff --git a/apps/trouble-host-unavailable.mdx b/apps/trouble-host-unavailable.mdx
@@ -1,5 +1,6 @@
 ---
 title: Troubleshoot apps when a host is unavailable
+description: "Recover apps on Fly.io when a host goes down: scale to zero and back up, redeploy, restore a volume from a snapshot, or rebuild a single-node Postgres app."
 source_url: https://fly.io/docs/apps/trouble-host-unavailable/
 ---
 

diff --git a/getting-started/essentials.mdx b/getting-started/essentials.mdx
@@ -1,5 +1,6 @@
 ---
 title: Fly.io essentials
+description: "Learn the core concepts of Fly.io: Fly Machines, Fly Launch, and Fly Apps, how fly launch, fly.toml, fly deploy, and fly scale fit together, plus a glossary."
 source_url: https://fly.io/docs/getting-started/essentials/
 ---
 

diff --git a/getting-started/launch-demo.mdx b/getting-started/launch-demo.mdx
@@ -1,5 +1,6 @@
 ---
 title: Launch a demo app
+description: "Deploy the hellofly demo app to Fly.io with flyctl: run fly launch with a prebuilt image, check fly status, open the app, deploy changes, then delete it."
 source_url: https://fly.io/docs/getting-started/launch-demo/
 ---
 

diff --git a/getting-started/migrate-from-heroku.mdx b/getting-started/migrate-from-heroku.mdx
@@ -1,5 +1,6 @@
 ---
 title: Migrate from Heroku
+description: "Migrate a Heroku app to Fly.io: export config vars, run fly launch, move data to Managed Postgres, set up Redis and workers, then move your custom domain."
 source_url: https://fly.io/docs/getting-started/migrate-from-heroku/
 ---
 

diff --git a/getting-started/sign-up-sign-in.mdx b/getting-started/sign-up-sign-in.mdx
@@ -1,5 +1,6 @@
 ---
 title: Sign up and sign in to Fly.io
+description: "Sign up for Fly.io with fly auth signup using email, Google, or GitHub, then sign in from your terminal with fly auth login, plus a browser fix for WSL users."
 source_url: https://fly.io/docs/getting-started/sign-up-sign-in/
 ---
 

diff --git a/launch/create.mdx b/launch/create.mdx
@@ -1,5 +1,6 @@
 ---
 title: Create an app with Fly Launch
+description: "Create an app on Fly.io with fly launch: when it generates a Dockerfile, how framework scanners work, the --image and --dockerfile options, and next steps."
 source_url: https://fly.io/docs/launch/create/
 ---
 

diff --git a/launch/monorepo.mdx b/launch/monorepo.mdx
@@ -1,5 +1,6 @@
 ---
 title: Monorepo and multi-environment deployments
+description: "Deploy several apps from a monorepo on Fly.io: set the working directory, point fly deploy at a fly.toml with --config, a Dockerfile, and a --build-target."
 source_url: https://fly.io/docs/launch/monorepo/
 ---
 

diff --git a/launch/scale-machine.mdx b/launch/scale-machine.mdx
@@ -1,5 +1,6 @@
 ---
 title: Scale Machine CPU and RAM
+description: "Scale Machine CPU and RAM on Fly.io with the [[vm]] section in fly.toml, fly scale vm presets, fly scale memory, per process group, or fly machine update."
 source_url: https://fly.io/docs/launch/scale-machine/
 ---
 

diff --git a/litefs/getting-started-fly.mdx b/litefs/getting-started-fly.mdx
@@ -1,5 +1,6 @@
 ---
 title: Getting Started with LiteFS on Fly.io
+description: "Set up a LiteFS cluster on Fly.io: install litefs, configure litefs.yml with a volume, Consul lease, and proxy, then run litefs mount and import a database."
 source_url: https://fly.io/docs/litefs/getting-started-fly/
 ---
 

diff --git a/machines/runtime-environment.mdx b/machines/runtime-environment.mdx
@@ -1,5 +1,6 @@
 ---
 title: The Machine Runtime Environment
+description: "See the environment variables Fly.io sets in a Machine, like FLY_APP_NAME, FLY_REGION, FLY_MACHINE_ID, FLY_PRIVATE_IP, and FLY_IMAGE_REF, and what each holds."
 source_url: https://fly.io/docs/machines/runtime-environment/
 ---
 

diff --git a/monitoring/logging-overview.mdx b/monitoring/logging-overview.mdx
@@ -1,5 +1,6 @@
 ---
 title: Logging overview
+description: "See how Fly.io app logs flow from stdout through Vector and NATS, then live tail with fly logs, use the Logs API, search logs in Grafana, or export them."
 source_url: https://fly.io/docs/monitoring/logging-overview/
 ---
 

diff --git a/monitoring/logs-api-options.mdx b/monitoring/logs-api-options.mdx
@@ -1,5 +1,6 @@
 ---
 title: Logs API options for programmatic access
+description: "Fetch Fly.io app logs in code through the HTTP API behind fly logs, a NATS subscription for real-time streams, or the Fly Log Shipper to an external sink."
 source_url: https://fly.io/docs/monitoring/logs-api-options/
 ---
 

diff --git a/networking/flycast.mdx b/networking/flycast.mdx
@@ -1,5 +1,6 @@
 ---
 title: Flycast - Private Fly Proxy services
+description: "Route private app traffic through Fly Proxy with Flycast on Fly.io: launch with fly launch --flycast, allocate a private IPv6, and reach apps from other orgs."
 source_url: https://fly.io/docs/networking/flycast/
 ---
 

diff --git a/networking/request-headers.mdx b/networking/request-headers.mdx
@@ -1,5 +1,6 @@
 ---
 title: Request headers
+description: "Read the request headers your app gets on Fly.io, like Fly-Client-IP, Fly-Region, X-Forwarded-For, X-Forwarded-Proto, and Via, with spoofing cautions."
 source_url: https://fly.io/docs/networking/request-headers/
 ---
 

diff --git a/networking/udp-and-tcp.mdx b/networking/udp-and-tcp.mdx
@@ -1,5 +1,6 @@
 ---
 title: Running apps on UDP and TCP
+description: "Run UDP and TCP apps on Fly.io: get a dedicated IPv4, bind UDP to fly-global-services on the same external port, mind MTU limits, and try a Go echo app."
 source_url: https://fly.io/docs/networking/udp-and-tcp/
 ---
 

diff --git a/reference/autoscaling.mdx b/reference/autoscaling.mdx
@@ -1,5 +1,6 @@
 ---
 title: Autoscaling
+description: "Compare the two ways to autoscale Machines on Fly.io: Fly Proxy autostop/autostart for an existing pool, or a metrics-based autoscaler you deploy as an app."
 source_url: https://fly.io/docs/reference/autoscaling/
 ---
 

diff --git a/reference/fly-launch.mdx b/reference/fly-launch.mdx
@@ -1,5 +1,6 @@
 ---
 title: Fly Launch overview
+description: "Understand what fly launch does on Fly.io: app creation, build and fly.toml config, resource provisioning, first deploy, launch outcomes, and a custom launch."
 source_url: https://fly.io/docs/reference/fly-launch/
 ---
 

diff --git a/reference/fly-proxy-autostop-autostart.mdx b/reference/fly-proxy-autostop-autostart.mdx
@@ -1,5 +1,6 @@
 ---
 title: Fly Proxy autostop/autostart
+description: "Understand how Fly Proxy stops, suspends, and starts Machines on Fly.io using soft_limit and traffic, plus auto_stop_machines and auto_start_machines behavior."
 source_url: https://fly.io/docs/reference/fly-proxy-autostop-autostart/
 ---
 

diff --git a/reference/fly-proxy.mdx b/reference/fly-proxy.mdx
@@ -1,5 +1,6 @@
 ---
 title: Fly Proxy
+description: "Understand how Fly Proxy routes public and Flycast traffic on Fly.io, plus load balancing, connection handlers, autostop/autostart, and fly-replay routing."
 source_url: https://fly.io/docs/reference/fly-proxy/
 ---
 

diff --git a/reference/health-checks.mdx b/reference/health-checks.mdx
@@ -1,5 +1,6 @@
 ---
 title: Health Checks
+description: "Configure health checks on Fly.io: top-level, service-level TCP and HTTP, and deploy-time Machine checks in fly.toml, plus check status with fly checks list."
 source_url: https://fly.io/docs/reference/health-checks/
 ---
 

diff --git a/security/openid-connect.mdx b/security/openid-connect.mdx
@@ -1,5 +1,6 @@
 ---
 title: OpenID Connect
+description: "Use OpenID Connect on Fly.io to give Machines short-lived tokens for AWS, Azure, or GCP, customize the aud claim, and write an AWS trust policy to read S3."
 source_url: https://fly.io/docs/security/openid-connect/
 ---
 

diff --git a/security/security-at-fly-io.mdx b/security/security-at-fly-io.mdx
@@ -1,5 +1,6 @@
 ---
 title: Fly.io security practices and compliance
+description: "See how Fly.io handles corporate, infrastructure, and application security, its vulnerability remediation timeframes, SOC2 Type 2, and how to report issues."
 source_url: https://fly.io/docs/security/security-at-fly-io/
 ---
 

diff --git a/volumes/volume-manage.mdx b/volumes/volume-manage.mdx
@@ -1,5 +1,6 @@
 ---
 title: Create and manage volumes
+description: "Create, extend, fork, and destroy Fly Volumes with fly volumes on Fly.io, attach volumes by cloning Machines, and restore deleted volumes from snapshots."
 source_url: https://fly.io/docs/volumes/volume-manage/
 ---