API Dockerfile review (#71)

Author: evmos-lde

dockerfile

@@ -1,8 +1,21 @@
-FROM golang:1.21.1-bullseye
+FROM golang:1.21.1 as builder
 
 WORKDIR /go/src/
+
 COPY . .
-RUN go build ./cmd/server/
-EXPOSE 8081
 
+RUN CGO_ENABLED=1 GOOS=linux go build -o ./server --ldflags '-w -s -extldflags "-static"' ./cmd/server/
+
+FROM alpine:3.18 as alpine
+
+RUN apk add -U --no-cache ca-certificates
+
+FROM scratch as runner
+
+WORKDIR /app
+
+COPY --from=builder /go/src/server .
+COPY --from=builder /go/src/api/config/config.toml ./api/config/config.toml
+COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+EXPOSE 8081
 CMD ["./server"]