ci(gitea): use a proxy when building an image

Author: dragonish

.gitea/workflows/release.yaml

@@ -50,8 +50,8 @@ jobs:
           VERSION=$(git describe --tags --abbrev=0)
           COMMIT=$(git rev-parse --short HEAD)
           echo "Latest: $VERSION / $COMMIT"
-          docker build -t "slender-base:$VERSION" -f docker/Dockerfile.base .
-          docker build -t "$DOCKERHUB_REPO" --build-arg BASE_IMAGE="slender-base:$VERSION" --build-arg VERSION="$VERSION" --build-arg COMMIT="$COMMIT" -f docker/Dockerfile.amd64 .
+          docker build --build-arg HTTP_PROXY="${{ env.HTTP_PROXY }}" --build-arg HTTPS_PROXY="${{ env.HTTPS_PROXY }}" -t "slender-base:$VERSION" -f docker/Dockerfile.base .
+          docker build --build-arg HTTP_PROXY="${{ env.HTTP_PROXY }}" --build-arg HTTPS_PROXY="${{ env.HTTPS_PROXY }}" -t "$DOCKERHUB_REPO" --build-arg BASE_IMAGE="slender-base:$VERSION" --build-arg VERSION="$VERSION" --build-arg COMMIT="$COMMIT" -f docker/Dockerfile.amd64 .
           docker image save "$DOCKERHUB_REPO" | gzip > $IMAGE_FILE
           mkdir -p dist
           mv $IMAGE_FILE ./dist