Fix 403 forbidden error when following redirect

Author: fezster

docker/Dockerfile

@@ -1,13 +1,18 @@
-FROM hseeberger/scala-sbt:eclipse-temurin-11.0.14.1_1.6.2_2.13.8 as build
+FROM hseeberger/scala-sbt:eclipse-temurin-11.0.14.1_1.6.2_2.13.8 AS build
 
 WORKDIR /app
 
+# Copy project definition first for caching
+COPY project ./project
+COPY build.sbt ./
+
+# Copy the rest of the source code
 COPY . .
 
 RUN sbt update compile stage
 RUN chmod a+rx /app/target/universal/stage/bin/*
 
-FROM openjdk:11-jre-slim
+FROM eclipse-temurin:11-jre-jammy
 
 WORKDIR /app
 

src/main/scala/http/HttpClient.scala

@@ -20,7 +20,10 @@ class HttpClient {
   private val client = EmberClientBuilder
     .default[IO]
     .build
-    .map(FollowRedirect(5))
+    .map { c =>
+      // FollowRedirect takes maxRedirects, then a header filter function, then the client
+      FollowRedirect[IO](maxRedirects = 10, sensitiveHeaderFilter = _ => true)(c)
+    }
 
   private val cacheTtl = 5.seconds