Update Dockerfile

Dockerfile

@@ -2,23 +2,21 @@
 FROM --platform=$BUILDPLATFORM golang:1.24.8-alpine AS builder
 ARG TARGETOS
 ARG TARGETARCH
+ARG TARGETVARIANT
 
 WORKDIR /src
 COPY go.mod ./
-RUN apk add --no-cache ca-certificates git binutils \
-    && go mod download
+RUN apk add --no-cache ca-certificates git && go mod download
 
 COPY . .
 RUN rm -rf screenies .github
-
 RUN CGO_ENABLED=0 \
-    GOOS=${TARGETOS} \
-    GOARCH=${TARGETARCH} \
+    GOOS=${TARGETOS:-linux} \
+    GOARCH=${TARGETARCH:-amd64} \
     go build -trimpath \
-      -buildmode=pie \
-      -ldflags="-s -w -buildid='' -extldflags '-static'" \
-      -o /pinata ./main.go \
-  && strip /pinata
+      -ldflags="-s -w -extldflags '-static' -buildid=''" \
+      -gcflags="all=-l" \
+      -o /pinata ./main.go
 
 FROM scratch AS runtime
 COPY --from=builder /pinata /pinata
@@ -26,6 +24,5 @@ COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certifi
 USER 65532
 EXPOSE 8080
 ENV GOMEMLIMIT=8MiB \
-    GOGC=20 \
-    GOMAXPROCS=1
+    GOGC=20
 ENTRYPOINT ["/pinata"]