diff --git a/config/otel_dev/collector-gateway.yaml b/config/otel_dev/collector-gateway.yaml
index 2c70fb4f..6cc85a04 100644
--- a/config/otel_dev/collector-gateway.yaml
+++ b/config/otel_dev/collector-gateway.yaml
@@ -1,38 +1,38 @@
 receivers:
- otlp:
-   protocols:
-     http:
-       endpoint: 0.0.0.0:4318
-       cors:
-         allowed_origins:
-           - "http://*"
-         allowed_headers:
-           - "*"
+  otlp:
+    protocols:
+      http:
+        endpoint: 0.0.0.0:4318
+        cors:
+          allowed_origins:
+            - "http://*"
+          allowed_headers:
+            - "*"
 processors:
- batch:
-   timeout: 1s
- resource:
-   attributes:
-     - key: test.key
-       value: "test-value"
-       action: insert
+  batch:
+    timeout: 1s
+  resource:
+    attributes:
+      - key: test.key
+        value: "test-value"
+        action: insert
 exporters:
- logging:
-   loglevel: info
- jaeger:
-   endpoint: jaeger-all-in-one:14250
-   tls:
-     insecure: true
+  logging:
+    loglevel: info
+  jaeger:
+    endpoint: jaeger-all-in-one:14250
+    tls:
+      insecure: true
 extensions:
- health_check:
- pprof:
-   endpoint: :1888
- zpages:
-   endpoint: :55679
+  health_check:
+  pprof:
+    endpoint: :1888
+  zpages:
+    endpoint: :55679
 service:
- extensions: [pprof, zpages, health_check]
- pipelines:
-   traces:
-     receivers: [otlp]
-     processors: [batch, resource]
-     exporters: [logging, jaeger]
+  extensions: [pprof, zpages, health_check]
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [batch, resource]
+      exporters: [logging, jaeger]
diff --git a/config/otel_dev/docker-compose.yaml b/config/otel_dev/docker-compose.yaml
index 478f80ab..40de4a52 100644
--- a/config/otel_dev/docker-compose.yaml
+++ b/config/otel_dev/docker-compose.yaml
@@ -1,23 +1,23 @@
 version: "2"
 services:
- # Jaeger
- jaeger-all-in-one:
-   image: jaegertracing/all-in-one:latest
-   ports:
-     - "16686:16686"
-     - "14268"
-     - "14250"
- # Collector
- collector-gateway:
-   image: otel/opentelemetry-collector:latest
-   volumes:
-     - ./collector-gateway.yaml:/etc/collector-gateway.yaml
-   command: [ "--config=/etc/collector-gateway.yaml" ]
-   ports:
-     - "1888:1888"   # pprof extension
-     - "13133:13133" # health_check extension
-     - "4317:4317"        # OTLP gRPC receiver
-     - "4318:4318"        # OTLP HTTP receiver
-     - "55670:55679" # zpages extension
-   depends_on:
-     - jaeger-all-in-one
+  # Jaeger
+  jaeger-all-in-one:
+    image: jaegertracing/all-in-one:latest
+    ports:
+      - "16686:16686"
+      - "14268"
+      - "14250"
+  # Collector
+  collector-gateway:
+    image: otel/opentelemetry-collector:latest
+    volumes:
+      - ./collector-gateway.yaml:/etc/collector-gateway.yaml
+    command: ["--config=/etc/collector-gateway.yaml"]
+    ports:
+      - "1888:1888" # pprof extension
+      - "13133:13133" # health_check extension
+      - "4317:4317" # OTLP gRPC receiver
+      - "4318:4318" # OTLP HTTP receiver
+      - "55670:55679" # zpages extension
+    depends_on:
+      - jaeger-all-in-one