Load Mapbox token from Vault in CI

.gitea/workflows/build-and-deploy.yml

@@ -16,18 +16,32 @@ jobs:
       SERVICE_NAME: flutter
       IMAGE_SHA: gitea.dsrptlab.com/mapflow/flutter:${{ github.sha }}
       IMAGE_LATEST: gitea.dsrptlab.com/mapflow/flutter:latest
+      VAULT_HOST: mars
+      VAULT_SERVICE: mapflow-vault-zy5kwf
+      VAULT_PROJECT_PATH: secret/projects/mapflow/prod
     steps:
       - uses: actions/checkout@v4
 
       - name: Build and push image
         run: |
           set -euo pipefail
+          mapbox_token_file="$(mktemp)"
+          trap 'rm -f "$mapbox_token_file"' EXIT
+          ssh -o StrictHostKeyChecking=accept-new -o BatchMode=yes "root@$VAULT_HOST" \
+            "set -euo pipefail
+            vault_service='$VAULT_SERVICE'
+            vault_project_path='$VAULT_PROJECT_PATH'
+            c=\$(docker ps --format '{{.Names}}' | grep \"^\$vault_service\" | head -1)
+            token=\$(docker service inspect \"\$vault_service\" --format '{{json .Spec.TaskTemplate.ContainerSpec.Env}}' | jq -r '.[] | select(startswith(\"VAULT_ROOT_TOKEN=\")) | sub(\"^VAULT_ROOT_TOKEN=\"; \"\")')
+            docker exec -e VAULT_ADDR=http://127.0.0.1:8200 -e VAULT_TOKEN=\"\$token\" \"\$c\" vault kv get -field=MAPBOX_ACCESS_TOKEN \"\$vault_project_path\"" \
+            > "$mapbox_token_file"
+          [ -s "$mapbox_token_file" ]
           for attempt in 1 2 3; do
             if docker build \
               --provenance=false \
               --tag "$IMAGE_SHA" \
               --tag "$IMAGE_LATEST" \
-              --build-arg MAPBOX_ACCESS_TOKEN="${{ secrets.MAPBOX_ACCESS_TOKEN }}" \
+              --secret id=mapbox_access_token,src="$mapbox_token_file" \
               --build-arg MAPBOX_STYLE="mapbox/standard" \
               --build-arg TELEGRAM_BOT_USERNAME="carfteebot" \
               --build-arg BUILD_VERSION="${GITHUB_SHA}" \

Dockerfile

@@ -1,13 +1,15 @@
+# syntax=docker/dockerfile:1.7
 FROM ghcr.io/cirruslabs/flutter:stable AS build
 WORKDIR /app
-ARG MAPBOX_ACCESS_TOKEN=""
 ARG MAPBOX_STYLE="mapbox/standard"
 ARG TELEGRAM_BOT_USERNAME="carfteebot"
 ARG BUILD_VERSION="local"
 COPY pubspec.* ./
 RUN flutter pub get
 COPY . .
-RUN rm -rf build/web && \
+RUN --mount=type=secret,id=mapbox_access_token,required=true \
+  MAPBOX_ACCESS_TOKEN="$(cat /run/secrets/mapbox_access_token)" && \
+  rm -rf build/web && \
   flutter build web --release --base-href=/ -o build/web \
   --dart-define=MAPBOX_ACCESS_TOKEN="$MAPBOX_ACCESS_TOKEN" \
   --dart-define=MAPBOX_STYLE="$MAPBOX_STYLE" \