build(fly): use fly.toml .swap_size_mb to create swap (#706)

* build(fly): use `fly.toml` `.swap_size_mb` to create swap

The previous manual swap creation no longer works.

Signed-off-by: Hunar Roop Kahlon <[email protected]>

* docs: update docs for setting up swap

Signed-off-by: Hunar Roop Kahlon <[email protected]>

---------

Signed-off-by: Hunar Roop Kahlon <[email protected]>

Author: kinggoesgaming

docs/database.md

@@ -333,8 +333,6 @@ You've got a few options:
 
    ```yml
    # exec:
-   #   - cmd: node ./other/setup-swap.js
-
    #   - cmd: npx prisma migrate deploy
    #     if-candidate: true
 
@@ -343,8 +341,7 @@ You've got a few options:
 
    2. Commit this change and deploy the app to fly.
       - This will make sure that after building the dockerfile and deploying it
-        to the fly machine, the `node ./other/setup-swap.js`,
-        `npx prisma migrate deploy` and `npm start` commands won't be executed.
+        to the fly machine, `npx prisma migrate deploy` and `npm start` commands won't be executed.
    3. Now that the main machine is up and running, you can SSH into it by
       running `fly ssh console --app [YOUR_APP_NAME]` in the terminal.
    4. Create a backup of the DB and download it by following the steps mentioned
@@ -373,8 +370,6 @@ You've got a few options:
 
    ```yml
    exec:
-     - cmd: node ./other/setup-swap.js
-
      - cmd: npx prisma migrate deploy
        if-candidate: true
 

docs/memory.md

@@ -6,8 +6,8 @@ avoid memory pressure even at that scale, we allocate a 512MB swap file. Learn
 more about this decision in
 [the memory swap decision document](decisions/010-memory-swap.md).
 
-To modify or increase the swap file, check `other/setup-swap.js`. This file is
-executed before running our app within the `litefs.yml` config.
+To modify or increase the swap file, check `.swap_size_mb` in `fly.toml`. This
+file is executed before running our app within the `litefs.yml` config.
 
 > **NOTE**: PRs welcome to document how to determine the effectiveness of the
 > swap file for your app.

fly.toml

@@ -3,6 +3,7 @@ primary_region = "sjc"
 kill_signal = "SIGINT"
 kill_timeout = 5
 processes = [ ]
+swap_size_mb = 512
 
 [experimental]
 allowed_public_ports = [ ]

other/litefs.yml

@@ -29,8 +29,6 @@ lease:
     key: 'epic-stack-litefs/${FLY_APP_NAME}'
 
 exec:
-  - cmd: node ./other/setup-swap.js
-
   - cmd: npx prisma migrate deploy
     if-candidate: true