chore: add jenkinsfile

Jenkinsfile

@@ -0,0 +1,39 @@
+@Library('cadoles') _
+
+pipeline {
+    agent {
+        dockerfile {
+            label 'docker'
+            filename 'Dockerfile'
+            dir 'misc/jenkins'
+        }
+    }
+
+    stages {
+        stage('Cancel older jobs') {
+            steps {
+                script {
+                    def buildNumber = env.BUILD_NUMBER as int
+                    if (buildNumber > 1) milestone(buildNumber - 1)
+                    milestone(buildNumber)
+                }
+            }
+        }
+
+        stage('Run unit tests') {
+            steps {
+                script {
+                    sh '''
+                    make test
+                    '''
+                }
+            }
+        }
+    }
+
+    post {
+        always {
+            cleanWs()
+        }
+    }
+}

Makefile

@@ -0,0 +1,4 @@
+GOTEST_ARGS ?=
+
+test:
+	go test -v $(GOTEST_ARGS) ./...

misc/jenkins/Dockerfile

@@ -0,0 +1,24 @@
+FROM reg.cadoles.com/proxy_cache/library/ubuntu:22.04
+
+ARG HTTP_PROXY=
+ARG HTTPS_PROXY=
+ARG http_proxy=
+ARG https_proxy=
+ARG GO_VERSION=1.20.2
+
+# Install dev environment dependencies
+RUN export DEBIAN_FRONTEND=noninteractive &&\
+    apt-get update -y &&\
+    apt-get install -y --no-install-recommends curl ca-certificates build-essential wget unzip tar git jq
+
+# Install Go
+RUN mkdir -p /tmp \
+    && wget -O /tmp/go${GO_VERSION}.linux-amd64.tar.gz https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz \
+    && rm -rf /usr/local/go \
+    && mkdir -p /usr/local \
+    && tar -C /usr/local -xzf /tmp/go${GO_VERSION}.linux-amd64.tar.gz
+
+ENV PATH="${PATH}:/usr/local/go/bin"
+
+# Add LetsEncrypt certificates
+RUN curl -k https://forge.cadoles.com/Cadoles/Jenkins/raw/branch/master/resources/com/cadoles/common/add-letsencrypt-ca.sh | bash