Merge pull request #5 from utilitywarehouse/update-jar-location

Put jar in /opt/lib as /lib has contents already in the alpine image

Author: sbuliarca

Dockerfile

@@ -6,7 +6,8 @@ RUN --mount=type=cache,target=/var/cache/apk \
 ENV VERSION=1.4.0
 ENV JAR=jmx_prometheus_javaagent-$VERSION.jar
 
-RUN curl -L https://github.com/prometheus/jmx_exporter/releases/download/$VERSION/$JAR -o /lib/$JAR
+RUN mkdir -p /opt/lib
+RUN curl -L https://github.com/prometheus/jmx_exporter/releases/download/$VERSION/$JAR -o /opt/lib/$JAR
 
 FROM alpine:3.22
-COPY --from=tmp /lib /lib
+COPY --from=tmp /opt/lib /opt/lib

README.md

@@ -3,4 +3,4 @@ Docker image that contains the JMX Prometheus javaagent library
 
 This should be used as a K8s init container for copying the library in other containers
 
-The jar file is available at `/lib/jmx_prometheus_javaagent-$VERSION.jar.`
+The jar file is available at `/opt/lib/jmx_prometheus_javaagent-$VERSION.jar.`