[COST-4899] add .dockerignore file (RedHatInsights#74)

* [COST-4899] add .dockerignore file

* [COST-4899] create tmp dir for build-deploy

.dockerignore

@@ -0,0 +1,5 @@
+# Ignore everything
+**
+
+# ... except for dependencies and source
+!default/

build_deploy.sh

@@ -15,7 +15,18 @@ if [[ -z "$QUAY_USER" || -z "$QUAY_TOKEN" ]]; then
     exit 1
 fi
 
-DOCKER_CONF="$PWD/.docker"
+# Create tmp dir to store data in during job run (do NOT store in $WORKSPACE)
+export TMP_JOB_DIR=$(mktemp -d -p "$HOME" -t "jenkins-${JOB_NAME}-${BUILD_NUMBER}-XXXXXX")
+echo "job tmp dir location: $TMP_JOB_DIR"
+
+function job_cleanup() {
+    echo "cleaning up job tmp dir: $TMP_JOB_DIR"
+    rm -fr $TMP_JOB_DIR
+}
+
+trap job_cleanup EXIT ERR SIGINT SIGTERM
+
+DOCKER_CONF="$TMP_JOB_DIR/.docker"
 mkdir -p "$DOCKER_CONF"
 docker --config="$DOCKER_CONF" login -u="$QUAY_USER" -p="$QUAY_TOKEN" quay.io
 docker --config="$DOCKER_CONF" build -t "${IMAGE}:${IMAGE_TAG}" ${SCRIPT_DIR}