chore(docker): switch to alpine jekins

Dockerfile

@@ -1,20 +1,11 @@
-FROM jenkins/jenkins:lts
+FROM jenkins/jenkins:2.528.3-alpine
 
 USER root
 
-# Docker dependencies
-RUN apt-get update && apt-get install -y \
-    apt-transport-https \
-    ca-certificates \
-    curl \
-    gnupg \
-    lsb-release
-
-# Add Docker repo
-RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
-RUN echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list
-
-# Install docker client
-RUN apt-get update && apt-get install -y docker-ce-cli
+# Install docker
+RUN apk update && apk add --no-cache \
+    docker-cli \
+    docker-compose \
+    curl
 
 USER jenkins