RDGRS-811: add build with FIPS and non-FIPS

Dockerfile

@@ -1,10 +1,18 @@
 # Dockerfile
 ARG BASE_REG=edencore.azurecr.io/
+
+# FIPS and non-FIPS build
 FROM ${BASE_REG}cg_fips/go:1.22 as build
 WORKDIR /app
 COPY . .
 RUN go mod download
 RUN go build -o outsystemscc
+# TODO: Import the FIPS module when it is required only
+# - main.go: import _ "crypto/tls/fipsonly"
+RUN go build -tags=requirefips -o outsystemscc-fips
+
+# Package the final image
 FROM ${BASE_REG}cg_fips/chainguard_base-fips:latest
 COPY --from=build /app/outsystemscc /app/
-ENTRYPOINT ["/app/outsystemscc"]
+COPY --from=build /app/outsystemscc-fips /app/
+ENTRYPOINT ["/app/outsystemscc-fips"]

main.go

@@ -1,19 +1,20 @@
 package main
 
+// FIPS mode is enabled by importing the fipsonly package.
 import (
+	_ "crypto/tls/fipsonly"
 	"flag"
 	"fmt"
 	"io/ioutil"
 	"log"
+	"math/rand"
 	"net/http"
 	"os"
 	"runtime"
 	"strconv"
 	"strings"
 	"time"
 
-	"math/rand"
-
 	chclient "github.com/jpillora/chisel/client"
 	"github.com/jpillora/chisel/share/cos"
 	"github.com/jpillora/chisel/share/settings"