chore(ci): release docker image

Jenkinsfile

@@ -29,7 +29,7 @@ pipeline {
             }
         }
 
-        stage('Release') {
+        stage('Release binaries and packages') {
             when {
                 anyOf {
                     branch 'master'
@@ -50,6 +50,32 @@ pipeline {
                 }
             }
         }
+
+        stage('Build and release Docker image') {
+            when {
+                anyOf {
+                    branch 'master'
+                    branch 'develop'
+                    branch 'PR-7'
+                }
+            }
+            steps {
+                script {
+                    withCredentials([
+                        usernamePassword([
+                            credentialsId: 'kipp-credentials',
+                            usernameVariable: 'DOCKER_REGISTRY_USERNAME',
+                            passwordVariable: 'DOCKER_REGISTRY_PASSWORD'
+                        ])
+                    ]) {
+                        sh """
+                        echo '${env.DOCKER_REGISTRY_PASSWORD}' | docker login --username '${env.DOCKER_REGISTRY_USERNAME}' --password-stdin reg.cadoles.com
+                        make docker-build docker-release
+                        """
+                    }
+                }
+            }
+        }
     }
 
     post {

misc/jenkins/Dockerfile

@@ -7,12 +7,22 @@ ARG https_proxy=
 
 # Install dev environment dependencies
 RUN export DEBIAN_FRONTEND=noninteractive &&\
+    apt clean &&\
     apt-get update -y &&\
-    apt-get install -y --no-install-recommends curl ca-certificates build-essential wget unzip tar git jq
+    apt-get install -y --no-install-recommends curl ca-certificates build-essential wget unzip tar git jq gnupg
 
 # Add LetsEncrypt certificates
 RUN curl -k https://forge.cadoles.com/Cadoles/Jenkins/raw/branch/master/resources/com/cadoles/common/add-letsencrypt-ca.sh | bash
 
+RUN install -m 0755 -d /etc/apt/keyrings \
+    && curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
+    && chmod a+r /etc/apt/keyrings/docker.gpg \
+    && echo "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+        "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" \
+        | tee /etc/apt/sources.list.d/docker.list > /dev/null \
+    && apt-get update \
+    && apt-get install -y docker-ce-cli
+
 ARG GO_VERSION=1.20.4
 
 # Install Go