feat: add gcloud + awscli image

.gitlab-ci.yml

@@ -341,3 +341,19 @@ terminus-terraform-container-scanning:
     SCAN_IMAGE_TAG: latest
     WHEN_TO_RUN: "weekly"
   needs: ["terminus-terraform"]
+
+gcloud-awscli:
+  extends: .build_and_push
+  variables:
+    IMAGE_TYPE: gcloud-awscli
+    IMAGE_NAME: gcloud-awscli
+    WHEN_TO_RUN: "weekly"
+    TAGS: latest
+
+gcloud-awscli-container-scanning:
+  extends: .container-scanning
+  variables:
+    SCAN_IMAGE_NAME: gcloud-awscli
+    SCAN_IMAGE_TAG: latest
+    WHEN_TO_RUN: "weekly"
+  needs: ["gcloud-awscli"]

gcloud-awscli/Dockerfile

+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    jq \
+    unzip \
+    curl \
+    tar \
+    python3 \
+    python3-pip \
+    ca-certificates \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -O https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-cli-linux-x86_64.tar.gz \
+    && tar -xf google-cloud-cli-linux-x86_64.tar.gz \
+    && rm -rf google-cloud-cli-linux-x86_64.tar.gz
+
+RUN ./google-cloud-sdk/install.sh --quiet
+
+ENV PATH="/google-cloud-sdk/bin:${PATH}"
+
+RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" && \
+    unzip awscliv2.zip && \
+    ./aws/install && \
+    rm -rf awscliv2.zip

gcloud-awscli/README.md

+# Gcloud and AWS CLI in one image
+
+This image is based on `ubuntu:22.04` with
+
+* latest aws cli package
+* latest gcloud package
+
+To be used for CI jobs in gitlab-services repository, performing GCS to S3 sync.
+
+## Tags
+
+To see the list of tags available visit the [CI job](https://gitlab.developers.cam.ac.uk/uis/devops/infra/dockerimages/-/blob/master/.gitlab-ci.yml)
+
+## Usage
+
+Use like any upstream image:
+
+```Dockerfile
+FROM registry.gitlab.developers.cam.ac.uk/uis/devops/infra/dockerimages/gcloud-awscli:latest
+
+# ...
+```