Colin Bester colinbes

colinbes / EventRoute.scala

Last active May 23, 2023 22:37

cats-effect 3 and http4s route pushing SSE using streams backed by cats-effect queue

	package com.bdesigns.sse.routes

	import cats.effect.*
	import cats.effect.implicits.*
	import cats.effect.std.*
	import cats.effect.std.syntax.all.*
	import cats.implicits.*
	import cats.syntax.all.*
	import com.bdesigns.sse.core.MyAuth
	import com.bdesigns.sse.domain.{ClockStreamedResponse, User}

colinbes / main.ts

Created November 17, 2021 21:49

Discriminated Unions

	interface MyError {
	type: "error";
	item: {status: number, msg: string};
	}

	interface MyNums {
	type: "mynums";
	item: number[];
	}

colinbes / application.conf

Created March 5, 2021 15:09

Logback and application.conf for Akka-Http

	akka {
	loggers = ["akka.event.slf4j.Slf4jLogger"]
	logging-filter = "akka.event.slf4j.Slf4jLoggingFilter"
	loglevel = WARNING
	stdout-loglevel = WARNING
	log-config-on-start = off
	default-dispatcher {
	fork-join-executor {
	parallelism-min = 8
	}

colinbes / redis_keyevents.scala

Created March 5, 2021 14:44

	trait RedisKeyEvents extends StreamingActor {
	implicit val actorSystem: ActorSystem[IoTSupervisor.IoTCommand]
	implicit val executionContext: ExecutionContextExecutor
	implicit val timeout: Timeout
	val redisUri: URI = RedisConnector.getConnectionUri
	val logger: Logger

	val redisClient: RedisClient = {
	logger.info(s"Connecting to redis at $redisUri")
	new RedisClient(redisUri)

colinbes / full_docker-compose.yml

Created March 3, 2021 22:22

Complete docker-compose file for nginx, Akka and redis

	version: '3'

	services:
	redis:
	image: redis:6.2.0-alpine
	volumes:
	- ./redis-config:/usr/local/etc/redis
	ports:
	- "12345:6379"
	command: redis-server /usr/local/etc/redis/redis.conf

colinbes / base-nginx.conf

Last active March 3, 2021 22:20

Basic nginx configuration file.

colinbes / stage2-docker-compose.yml

Created March 3, 2021 20:39

Stage 2 docker-compose file

	version: '3'

	services:
	redis:
	image: redis:6.2.0-alpine
	volumes:
	- ./redis-config:/usr/local/etc/redis
	ports:
	- "12345:6379"
	command: redis-server /usr/local/etc/redis/redis.conf

colinbes / build.sbt

Created March 3, 2021 20:27

build.sbt snippet for enabling dockering a scala application using sbt-native-packager

	import com.typesafe.sbt.packager.docker.{ExecCmd, _}

	enablePlugins(JavaAppPackaging)
	enablePlugins(DockerPlugin)

	dockerBaseImage := "openjdk:8-jre-alpine"
	dockerExposedPorts := Seq(8082)
	dockerRepository := Some("bdesigns")
	daemonUser in Docker := "daemon"
	//packageName in Docker := "server-akka"

colinbes / docker-compose.yml

Last active March 3, 2021 20:36

	version: '3'

	services:
	redis:
	image: redis:6.2.0-alpine
	volumes:
	- ./redis-config:/usr/local/etc/redis
	ports:
	- "12345:6379"
	command: redis-server /usr/local/etc/redis/redis.conf

colinbes / redis.conf

Created March 3, 2021 19:53

Redis configuration for dockerized Redis enable keyspace and event notificaton

	appendonly yes
	notify-keyspace-events KEA