Update Dockerfile

Dockerfile

@@ -2,11 +2,10 @@
 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 upx \
+COPY go.mod go.sum ./
+RUN apk add --no-cache ca-certificates git \
     && go mod download
 
 COPY . .
@@ -16,22 +15,17 @@ RUN CGO_ENABLED=0 \
     GOOS=${TARGETOS:-linux} \
     GOARCH=${TARGETARCH:-amd64} \
     go build -trimpath \
-      -ldflags="-s -w -extldflags '-static' -buildid=''" \
-      -o /pinata ./main.go
-
-# Strip out any remaining symbols
-RUN strip /pinata
-
-# Compress the binary
-RUN upx -9 /pinata
+      -buildmode=pie \
+      -ldflags="-s -w -buildid='' -extldflags '-static'" \
+      -o /pinata ./main.go \
+  && strip /pinata
 
 FROM scratch AS runtime
 COPY --from=builder /pinata /pinata
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-
 USER 65532
 EXPOSE 8080
 ENV GOMEMLIMIT=8MiB \
-    GOGC=20
-
+    GOGC=20 \
+    GOMAXPROCS=1
 ENTRYPOINT ["/pinata"]