Trying updated dockerfile

Author: lukekraus45

src/productcatalogservice/Dockerfile

@@ -6,12 +6,22 @@ FROM registry.ddbuild.io/images/mirror/golang:1.22-alpine AS builder
 
 WORKDIR /usr/src/app/
 
-RUN apk add build-base protobuf-dev protoc
-
-COPY ./src/productcatalogservice/ ./
-RUN go build -o /go/bin/productcatalogservice/
-
-# -----------------------------------------------------------------------------
+RUN apk update \
+    && apk add --no-cache make protobuf-dev
+
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    --mount=type=bind,source=./src/productcatalogservice/go.sum,target=go.sum \
+    --mount=type=bind,source=./src/productcatalogservice/go.mod,target=go.mod \
+    --mount=type=bind,source=./src/productcatalogservice/tools.go,target=tools.go \
+    go mod download \
+    && go list -e -f '{{range .Imports}}{{.}} {{end}}' tools.go | CGO_ENABLED=0 xargs go install -mod=readonly
+
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+    --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=bind,rw,source=./src/productcatalogservice,target=. \
+    --mount=type=bind,rw,source=./pb,target=./pb \
+    protoc -I ./pb ./pb/demo.proto --go_out=./ --go-grpc_out=./ \
+    && go build -ldflags "-s -w" -o /go/bin/productcatalogservice/ ./
 
 FROM registry.ddbuild.io/images/mirror/alpine:latest AS release
 

src/productcatalogservice/go.mod

@@ -1,4 +1,4 @@
-module github.com/Datadog/opentelemetry-demo/src/productcatalogservice
+module github.com/opentelemetry/opentelemetry-demo/src/productcatalogservice
 
 go 1.22.0
 

src/productcatalogservice/main.go

@@ -33,10 +33,10 @@ import (
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
 	"go.opentelemetry.io/otel/trace"
 
-	pb "github.com/Datadog/opentelemetry-demo/src/productcatalogservice/genproto/oteldemo"
 	otelhooks "github.com/open-feature/go-sdk-contrib/hooks/open-telemetry/pkg"
 	flagd "github.com/open-feature/go-sdk-contrib/providers/flagd/pkg"
 	"github.com/open-feature/go-sdk/openfeature"
+	pb "github.com/opentelemetry/opentelemetry-demo/src/productcatalogservice/genproto/oteldemo"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials/insecure"