Brent Anderson brentjanderson

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These snippets provide a foundation for starting and stopping supervision trees at runtime using feature flags (e.g. Launch Darkly).

Some things to note when adapting these snippets:

application.ex needs to be adapted into an existing application. The important part is that each child spec provided is compliant, and that there is a feature flag (ld_key) specified.
As written, if a feature flag fails for some reason, it defaults to starting all children. There is room for adaptation here as needed.
This implementation will still require a FeatureFlags module to be available that implements is_on?/2. Adjust as needed to accomodate your own feature flag setup.

I'm assuming you're using Apollo. This can be changed

Install a few dependencies: yarn add -WD @graphql-codegen/cli @graphql-codegen/typescript @graphql-codegen/typescript-operations @graphql-codegen/typescript-react-apollo @graphql-codegen/typescript-resolvers npm-run-all ts-node
In my setup, I also threw in npm-run-all and made some edits to my root package.json "scripts": yarn add -WD npm-run-all
```
 "dev": "npm-run-all --parallel dev:**",
```

"dev:rw": "rw dev",

Note that these dockerfiles depend on:

Having Docker installed on your machine
Rebuilding the image every time you want to try your latest code
Passing necessary environment variables when you docker run
Your app includes distillery and coveralls

Make modifications as needed to meet those requirements.

Note that multi-stage builds can be used to combine the prod and test files described below, I haven't updated the gist yet to reflect that option.

Sometimes it is useful to route traffic through a different machine for testing or development. At work, we have a VPN to a remote facility that we haven't bothered to fix for routing, so the only way to access a certain machine over that VPN is via an SSH tunnel to a machine that is reachable over the VPN. Other times, I have used this technique to test internet-facing requests against sites I am developing. It is pretty easy, and if you don't use firefox regularly, you can treat Firefox as your "Proxy" browser and other browsers can use a normal configuration (Although you can also configure an entire system to use the proxy, other articles exists that discuss this potential).

Open a terminal

	# These values all come from the dashboard
	NEXT_PUBLIC_KNOCK_PUBLIC_API_KEY=pk_test_1234567890_abcdefghijklmnop
	NEXT_PUBLIC_KNOCK_FEED_ID=b935c367-2347-43b1-8f28-867330a2a636

	# Replace each line break with `\n` and then wrap the whole thing in JSON. JSON.parse will properly decode all of it.
	KNOCK_SIGNING_KEY='{"key": "-----BEGIN RSA PRIVATE KEY-----\n<The rest of the key goes here>\n-----END RSA PRIVATE KEY-----"}'

	module.exports = {
	env: {
	es6: true,
	node: true
	},
	plugins: ["prettier"],
	extends: ["plugin:prettier/recommended"],
	parserOptions: {
	sourceType: "module"
	},

	# How to upload local db to meteor:

	# -h = host, -d = database name, -o = dump folder name
	mongodump -h 127.0.0.1:3002 -d meteor -o meteor

	# get meteor db url, username, and password
	meteor mongo --url myapp.meteor.com

	# Response will be something like this:
	# mongodb://client:f8f6d5aa-1213-008f-31c8-e9e059515615@production-db-a3.meteor.io:27017/myapp_meteor_com

	release: yarn rw prisma migrate deploy
	web: bin/start-nginx node index.js

	Copyright 2018

	Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

	THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.