diff --git a/docker-compose.yaml b/docker-compose.yaml
index 52746f6dd..a41f04f55 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,11 +1,7 @@
 services:
   php:
-    image: opentelemetry-php:local-${PHP_VERSION}-cli
-    build:
-      context: ./docker
-      dockerfile: Dockerfile
-      args:
-        - PHP_VERSION:${PHP_VERSION}
+    # the developer image comes from opentelemetry-php (the core repository), and is built by github actions
+    image: ghcr.io/open-telemetry/opentelemetry-php/opentelemetry-php-base:${PHP_VERSION}
     volumes:
     - ./:/usr/src/myapp
     user: "${PHP_USER}:root"
diff --git a/docker/Dockerfile b/docker/Dockerfile
deleted file mode 100644
index 2e30b0bdd..000000000
--- a/docker/Dockerfile
+++ /dev/null
@@ -1,14 +0,0 @@
-ARG PHP_VERSION=8.1
-FROM ghcr.io/open-telemetry/opentelemetry-php/opentelemetry-php-base:${PHP_VERSION}
-
-USER root
-
-RUN install-php-extensions \
-        opentelemetry \
-        mongodb \
-        amqp \
-        rdkafka \
-        mysqli \
-        pgsql
-
-USER php
diff --git a/files/collector/otel-collector-config.yml b/files/collector/otel-collector-config.yml
index db6d243c1..879e4abae 100644
--- a/files/collector/otel-collector-config.yml
+++ b/files/collector/otel-collector-config.yml
@@ -2,13 +2,15 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: "0.0.0.0:4317"
       http:
+        endpoint: "0.0.0.0:4318"
   zipkin:
 
 exporters:
   zipkin:
     endpoint: "http://zipkin:9411/api/v2/spans"
-  logging:
+  debug:
     verbosity: detailed
 
 processors:
@@ -27,12 +29,12 @@ service:
   pipelines:
     traces:
       receivers: [otlp, zipkin]
-      exporters: [logging]
+      exporters: [debug]
       processors: [batch]
     metrics:
       receivers: [otlp]
-      exporters: [logging]
+      exporters: [debug]
     logs:
       receivers: [ otlp ]
       processors: [ batch ]
-      exporters: [ logging ]
+      exporters: [ debug ]