added dockerfile

Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:1.21-alpine AS build_base
+LABEL org.opencontainers.image.authors="[email protected]"
+#
+RUN mkdir -p /etc/ssl/certs/ && update-ca-certificates && apk add --no-cache git
+# Set the Current Working Directory inside the container
+WORKDIR /go/src/app
+# We want to populate the module cache based on the go.{mod,sum} files.
+COPY ./go.mod .
+COPY ./go.sum .
+RUN go mod download
+COPY . .
+# Build the Go app
+RUN GO111MODULE=on CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o main ./microservices/main.go
+#
+# Start fresh from a smaller image
+#FROM scratch
+FROM phusion/baseimage:focal-1.2.0
+#
+WORKDIR /app
+RUN apt-get install -y ca-certificates
+COPY --from=build_base /go/src/app/main /app/main
+#
+EXPOSE 8080
+#
+CMD ["./app/main"]