test(server): remove custom util container (#1568)

src/shadowbox/integration_test/test.sh

@@ -47,7 +47,6 @@ readonly SHADOWBOX_IMAGE="${1?Must pass image name in the command line}"
 readonly SHADOWBOX_CONTAINER="${NAMESPACE}_shadowbox"
 readonly CLIENT_CONTAINER="${NAMESPACE}_client"
 readonly CLIENT_IMAGE="${CLIENT_CONTAINER}"
-readonly UTIL_IMAGE="${NAMESPACE}_util"
 
 readonly NET_OPEN="${NAMESPACE}_open"
 readonly NET_BLOCKED="${NAMESPACE}_blocked"
@@ -66,7 +65,7 @@ function wait_for_resource() {
 }
 
 function util_jq() {
-  "${DOCKER}" run --rm -i --entrypoint jq "${UTIL_IMAGE}" "$@"
+  "${DOCKER}" run --rm -i ghcr.io/jqlang/jq "$@"
 }
 
 # Takes the JSON from a /access-keys POST request and returns the appropriate
@@ -126,9 +125,6 @@ function setup() {
   "${DOCKER}" build --force-rm -t "${CLIENT_IMAGE}" "$(dirname "$0")/client"
   # Use -i to keep the container running.
   "${DOCKER}" run -d --rm -it --network "${NET_BLOCKED}" --name "${CLIENT_CONTAINER}" "${CLIENT_IMAGE}"
-
-  # Utilities
-  "${DOCKER}" build --force-rm -t "${UTIL_IMAGE}" "$(dirname "$0")/util"
 }
 
 function remove_containers() {

src/shadowbox/integration_test/util/Dockerfile

@@ -1,17 +0,0 @@
-# Copyright 2018 The Outline Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-FROM alpine:3.19.1
-RUN apk add --no-cache jq
-ENTRYPOINT [ "sh" ]