diff --git a/docs/build.md b/docs/build.md
index 9b6c086..63c249c 100644
--- a/docs/build.md
+++ b/docs/build.md
@@ -6,7 +6,7 @@
 go build -o goff github.com/puzzle/goff 
 ```
 
-### Build Image with dagger
+### Build Image with Dagger
 
 First set the required env vars.
 For releasing a new version, GITHUB_REF_TYPE=tag and a valid version must be set GITHUB_REF_NAME=vX.X.X
@@ -19,6 +19,14 @@ export REGISTRY_USER=bar
 export REGISTRY_PASSWORD=foo
 ```
 
+or load the default configuration
+
+```bash
+source ./local.env
+```
+
+Then run the pipeline with
+
 ```bash
 go run ci/main.go 
 ```
@@ -29,3 +37,7 @@ or
 dagger run go run ci/main.go 
 ```
 
+Optionalli can register a Jaeger endpoint wit following env var:
+```bash
+export OTEL_EXPORTER_JAEGER_ENDPOINT=http://localhost:14268/api/traces
+```
diff --git a/local.env b/local.env
new file mode 100644
index 0000000..66326f4
--- /dev/null
+++ b/local.env
@@ -0,0 +1,8 @@
+export GITHUB_ACCESS_TOKEN=topsupersecret
+export GITHUB_REF_NAME=dev
+export GITHUB_REF_TYPE=branch
+export REGISTRY_PASSWORD=bar
+export REGISTRY_URL=ttl.sh
+export REGISTRY_USER=foo
+export OTEL_EXPORTER_JAEGER_ENDPOINT=http://localhost:14268/api/traces
+export OTEL_RESOURCE_ATTRIBUTES="commit=SHA111,group=puzzle,project=goff,job=123,pipeline=local" 
\ No newline at end of file