Fixing Jenkins Setup: Attempt2

1 files changed, 19 insertions, 8 deletions

diff --git a/Dockerfile.jenkins b/Dockerfile.jenkins
index 874941a..23a95f1 100644
--- a/Dockerfile.jenkins
+++ b/Dockerfile.jenkins
@@ -2,10 +2,12 @@
 # Use the official Jenkins image as a base

 FROM jenkins/jenkins:lts-jdk17

 

-# Pass the Docker group ID from the host as a build argument

+# Pass Host User, Group, and Docker Group IDs as build arguments

+ARG UID

+ARG GID

 ARG DOCKER_GID

 

-# Switch to root user to install dependencies

+# Switch to root user to install dependencies and manage users

 USER root

 

 # Install Docker CLI so Jenkins can interact with the host's Docker daemon

@@ -18,12 +20,21 @@ RUN echo "deb [arch=$(dpkg --print-architecture) \
   $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list

 RUN apt-get update && apt-get install -y docker-ce-cli

 

-# Create a 'docker' group with the host's GID to match permissions

-# This is the key step to prevent the container from exiting

-RUN if [ -n "$DOCKER_GID" ]; then groupadd -g $DOCKER_GID docker; else groupadd -g 999 docker; fi

+# Create a docker group with the host's GID to match permissions

+# and add the jenkins user to it.

+RUN if [ -n "$DOCKER_GID" ]; then \

+        groupadd -g $DOCKER_GID docker && \

+        usermod -aG docker jenkins; \

+    fi

 

-# Add the 'jenkins' user to the docker group

-RUN usermod -aG docker jenkins

+# Change the jenkins user and group to match the host.

+# This should ensure file permissions for the jenkins_home volume are correct.

+RUN if [ -n "$GID" ] && [ "$(getent group jenkins | cut -d: -f3)" != "$GID" ]; then \

+        groupmod -g $GID jenkins; \

+    fi

+RUN if [ -n "$UID" ] && [ "$(id -u jenkins)" != "$UID" ]; then \

+        usermod -u $UID jenkins; \

+    fi

 

-# Switch back to the jenkins user

+# Switch to the newly configured jenkins user

 USER jenkins