feat: add custom thread group plugin

.github/workflows/main.yml

@@ -13,8 +13,9 @@ jobs:
     - name: Run JMeter Tests
       uses: ./
       with:
-        test-plan-path: ./TestPlans/S01_SimpleExample/S01_SimpleExample.jmx
+        test-plan-path: ./TestPlans/S04_SimpleExample/smoke_stress_test.jmx
         args: "-e -o ./reports/html/"
+        plugins: "jpgc-udp,jpgc-graphs-basic, jpgc-casutg"
 
     - name: Upload Results
       uses: actions/upload-artifact@v3

Dockerfile

@@ -4,13 +4,13 @@ LABEL Author="NaveenKumar Namachivayam"
 LABEL Website="https://qainsights.com"
 LABEL Description="Apache JMeter Dockerfile for GitHub Actions with JMeter Plugins"
 
+ARG JMETER_PLUGINS=""
 ENV JMETER_VERSION "5.6.3"
 ENV JMETER_HOME "/opt/apache/apache-jmeter-${JMETER_VERSION}"
 ENV JMETER_BIN "${JMETER_HOME}/bin"
 ENV PATH "$PATH:$JMETER_BIN"
 ENV JMETER_CMD_RUNNER_VERSION "2.3"
 ENV JMETER_PLUGIN_MANAGER_VERSION "1.9"
-ENV JMETER_PLUGIN_INSTALL_LIST "jpgc-udp,jpgc-graphs-basic"
 
 COPY entrypoint.sh /entrypoint.sh
 COPY jmeter-plugin-install.sh /jmeter-plugin-install.sh
@@ -27,6 +27,6 @@ RUN apk --no-cache add curl ca-certificates openjdk17-jre && \
     chmod a+x /jmeter-plugin-install.sh
 
 # Downloading CMD Runner
-RUN /jmeter-plugin-install.sh
+RUN /jmeter-plugin-install.sh $JMETER_PLUGINS
 
 ENTRYPOINT [ "/entrypoint.sh" ]