fx build fix

.woodpecker/fx.yml

@@ -34,14 +34,18 @@ steps:
           "$GIT_REV" "$BUILD_BRANCH" "$APP_V" "$BUILD_DATE" "$BUILD_USER" | tee .env.version
 
   - name: proto
-    image: golang:latest
+    image: golang:alpine
     depends_on: [ version ]
     commands:
       - set -eu
       - if set -o | grep -q pipefail; then set -o pipefail; fi
-      - apt-get update >/dev/null
-      - DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends protobuf-compiler >/dev/null
-      - rm -rf /var/lib/apt/lists/*
+      - apk add --no-cache \
+          bash \
+          git \
+          build-base \
+          protobuf \
+          protobuf-dev \
+          protoc
       - go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
       - go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
       - export PATH="$(go env GOPATH)/bin:$PATH"