adding redis to local development setup, and adding a host-name reference in .env for it

Author: heckj

.env.development.template

@@ -3,3 +3,4 @@ DATABASE_PORT=6432
 DATABASE_NAME=spi_dev
 DATABASE_USERNAME=spi_dev
 DATABASE_PASSWORD=xxx
+REDIS_HOST=localhost

.env.testing.template

@@ -3,3 +3,4 @@ DATABASE_PORT=5432
 DATABASE_NAME=spi_test
 DATABASE_USERNAME=spi_test
 DATABASE_PASSWORD=xxx
+REDIS_HOST=localhost

Makefile

@@ -92,7 +92,13 @@ ingest:
 analyze:
 	swift run Run analyze --limit 1
 
-db-up: db-up-dev db-up-test
+redis-up-dev:
+	docker run --name spi_redis -p 6379:6379 -d redis/redis-stack:7.4.0-v1
+
+redis-down-dev:
+	docker rm -f spi_redis
+
+db-up: db-up-dev db-up-test redis-up-dev
 
 db-up-dev:
 	docker run --name spi_dev -e POSTGRES_DB=spi_dev -e POSTGRES_USER=spi_dev -e POSTGRES_PASSWORD=xxx -p 6432:5432 -d postgres:16-alpine
@@ -111,7 +117,7 @@ db-up-test:
 		-d \
 		postgres:13-alpine
 
-db-down: db-down-dev db-down-test
+db-down: db-down-dev db-down-test redis-down-dev
 
 db-down-dev:
 	docker rm -f spi_dev

Sources/App/configure.swift

@@ -80,7 +80,11 @@ public func configure(_ app: Application) async throws -> String {
 
     // Setup Redis connection
     do {
-        app.redis.configuration = try RedisConfiguration(hostname: "redis")
+        if let redisHost = Environment.get("REDIS_HOST") {
+            app.redis.configuration = try RedisConfiguration(hostname: redisHost)
+        } else {
+            app.logger.warning("REDIS_HOST not set, caching disabled.")
+        }
     } catch {
         app.logger.warning("Failed to configure Redis, caching disabled. Error: \(error)")
     }

app.yml

@@ -63,6 +63,7 @@ x-shared: &shared
     TWITTER_API_SECRET: ${TWITTER_API_SECRET}
     TWITTER_ACCESS_TOKEN_KEY: ${TWITTER_ACCESS_TOKEN_KEY}
     TWITTER_ACCESS_TOKEN_SECRET: ${TWITTER_ACCESS_TOKEN_SECRET}
+    REDIS_HOST: ${REDIS_HOST}
   volumes:
     - checkouts:/checkouts