feat: optimize for arm build

Dockerfile

@@ -1,33 +1,15 @@
-FROM golang:1.21.3-bullseye AS builder
-
-# Env setup
-ENV CGO_ENABLED="0"
-# Setup workdir
-WORKDIR /build
-# Copy source code
+# build stage
+FROM --platform=$BUILDPLATFORM golang:1.21.6-bookworm AS build-env
+ENV CGO_ENABLED=1
+WORKDIR /src
 COPY . .
-
-# Fetch dependencies
-RUN go mod download
-
-RUN GOOS=linux go build -ldflags="-s -w" -o app .
-
-# Runner stage
-FROM debian:bullseye-slim AS runner
-
-# Build Args
-ARG BINARY_NAME="app"
-ARG START_COMMAND="./app"
-
-# Setup workdir
-WORKDIR /user
-
-# Copy binary
-COPY --from=builder /build/app .
-
-# Create entrypoint
-RUN echo "./app" > /user/entrypoint.sh
-RUN chmod +x /user/entrypoint.sh
-
-# Setup Entrypoint
-ENTRYPOINT ["sh", "-c", "/user/entrypoint.sh"]
+RUN --mount=type=cache,target=/root/.cache/go-build go build -o goapp .
+
+# final stage
+FROM --platform=$BUILDPLATFORM ubuntu:22.04
+RUN mkdir /app
+RUN mkdir /data
+WORKDIR /app
+COPY --from=build-env /src/goapp /app/goapp
+RUN apt-get update && apt-get install -y ca-certificates
+ENTRYPOINT /app/goapp