fix(docker): ensure ssh is set up for private git repos (#844)

Author: malept

orbs/shared/jobs/docker_amd64.yaml

@@ -8,6 +8,7 @@ parameters:
     description: Space-separated list of registries to push the Docker image to.
     default: ""
 steps:
+  - add_ssh_keys
   - setup_docker_auth:
       push_registries: << parameters.push_registries >>
   - build_docker_image

orbs/shared/jobs/docker_arm64.yaml

@@ -8,6 +8,7 @@ parameters:
     description: Space-separated list of registries to push the Docker image to.
     default: ""
 steps:
+  - add_ssh_keys
   - setup_docker_auth:
       push_registries: << parameters.push_registries >>
   - build_docker_image:

shell/ci/release/docker-authn.sh

@@ -28,6 +28,10 @@ info "🔓 Authenticating to GitHub"
 # In order to get the box config, we need to authenticate with GitHub
 # shellcheck source=../auth/github.sh
 source "${AUTH_DIR}/github.sh"
+# We need to set up SSH to ensure that we can access private
+# repositories when building the Docker images
+# shellcheck source=../auth/ssh.sh
+source "${AUTH_DIR}/ssh.sh"
 
 git config --global --remove-section url."ssh://[email protected]"
 GH_NO_UPDATE_NOTIFIER=true gh auth setup-git