add dockerfile and jenkinsfile

Jenkinsfile

@@ -0,0 +1,54 @@
+pipeline {
+  agent any
+
+  environment {
+    REGISTRY = "gitea.thewrightserver.net"
+    IMAGE = "gitea.thewrightserver.net/josh/areweburied"
+    TAG = "${env.BUILD_NUMBER}"
+  }
+
+  stages {
+    stage("Checkout") {
+      steps {
+        checkout scm
+      }
+    }
+
+    stage("Build Image") {
+      steps {
+        sh """
+          docker build \
+            -t ${IMAGE}:${TAG} \
+            -t ${IMAGE}:latest \
+            .
+        """
+      }
+    }
+
+    stage("Push Image") {
+      steps {
+        withCredentials([
+          usernamePassword(
+            credentialsId: 'gitea-registry-creds',
+            usernameVariable: 'GITEA_USER',
+            passwordVariable: 'GITEA_TOKEN'
+          )
+        ]) {
+          sh """
+            echo "$GITEA_TOKEN" | docker login ${REGISTRY} \
+              -u "$GITEA_USER" --password-stdin
+
+            docker push ${IMAGE}:${TAG}
+            docker push ${IMAGE}:latest
+          """
+        }
+      }
+    }
+  }
+
+  post {
+    cleanup {
+      sh "docker image prune -f"
+    }
+  }
+}