fix: fixed workflow_dispatch runs for docker.yml GHA workflow (#752)

This includes fixes for the GHA workflow that builds and pushes images
to GAR.

.github/workflows/build-and-push-image.yml

@@ -1,4 +1,4 @@
-name: Build and push image to GAR
+name: Reusable build-and-push workflow
 
 run-name: Build and push image "${{ inputs.image }}:${{ inputs.tag }}" to GAR
 
@@ -11,16 +11,20 @@ on:
       crate:
         required: true
         type: string
+      # `gar_location`, `gar_repository`, and `gcp_project_id` have all been
+      # set as optional because default value has been supplied. As this
+      # workflow is only callable by other workflows, GitHub Actions will throw
+      # an error if we set "required: true" regardless of any defaults defined.
       gar_location:
-        required: true
+        required: false
         type: string
         default: us
       gar_repository:
-        required: true
+        required: false
         type: string
         default: autopush-prod
       gcp_project_id:
-        required: true
+        required: false
         type: string
         default: moz-fx-autopush-prod
       image:
@@ -57,6 +61,7 @@ jobs:
           "${GITHUB_SERVER_URL}" \
           "${GITHUB_REPOSITORY}" \
           "${GITHUB_RUN_ID}" > version.json
+      - uses: docker/setup-buildx-action@v3
       - id: gcp-auth
         uses: google-github-actions/auth@v2
         with:
@@ -73,9 +78,8 @@ jobs:
         with:
           context: .
           file: Dockerfile
-          tags:
-            - ${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}/${{ env.IMAGE }}:latest
-            - ${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}/${{ env.IMAGE }}:${{ env.TAG }}
+          # This is using both "latest" and app version tags.
+          tags: ${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}/${{ env.IMAGE }}:latest,${{ env.GAR_LOCATION }}-docker.pkg.dev/${{ env.GCP_PROJECT_ID }}/${{ env.GAR_REPOSITORY }}/${{ env.IMAGE }}:${{ env.TAG }}
           push: true
           cache-from: type=gha
           cache-to: type=gha,mode=max

.github/workflows/docker.yml

@@ -12,11 +12,11 @@ jobs:
   determine-tag:
     name: Determine tag to build
     if: |
-      github.event_name == "workflow_dispatch" ||
-      (github.event_name == "check_run" && \
-      github.event.check_run.name == "build-test-deploy" && \
-      github.event.check_run.conclusion == "success" && \
-      github.ref_type == "tag")
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'check_run' &&
+      github.event.check_run.name == 'build-test-deploy' &&
+      github.event.check_run.conclusion == 'success' &&
+      github.ref_type == 'tag')
     runs-on: ubuntu-latest
     permissions: {}
     outputs:
@@ -38,7 +38,7 @@ jobs:
 
   autoconnect:
     name: "Autoconnect: Build and push to GAR"
-    needs: [tag]
+    needs: [determine-tag]
     permissions:
       contents: read
       id-token: write
@@ -48,11 +48,11 @@ jobs:
       binary: autoconnect
       crate: autoconnect
       image: autoconnect
-      tag: ${{ needs.tag.outputs.TAG }}
+      tag: ${{ needs.determine-tag.outputs.TAG }}
 
   autoendpoint:
     name: "Autoendpoint: Build and push to GAR"
-    needs: [tag]
+    needs: [determine-tag]
     permissions:
       contents: read
       id-token: write
@@ -62,4 +62,4 @@ jobs:
       binary: autoendpoint
       crate: autoendpoint
       image: autoendpoint
-      tag: ${{ needs.tag.outputs.TAG }}
+      tag: ${{ needs.determine-tag.outputs.TAG }}

Dockerfile

@@ -1,6 +1,6 @@
 # NOTE: Ensure builder's Rust version matches CI's in .circleci/config.yml
 # RUST_VER
-FROM rust:1.80-bookworm as builder
+FROM rust:1.80-bookworm AS builder
 ARG CRATE
 
 ADD . /app