diff --git a/Dockerfile.crm b/Dockerfile.crm
index 971f6265f..eaa55fdaf 100644
--- a/Dockerfile.crm
+++ b/Dockerfile.crm
@@ -22,4 +22,6 @@ WORKDIR /crust
 COPY --from=builder /build/* /crust/
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 
+EXPOSE 80
+
 ENTRYPOINT /crust/crm
diff --git a/Dockerfile.sam b/Dockerfile.sam
index 983588f01..293551971 100644
--- a/Dockerfile.sam
+++ b/Dockerfile.sam
@@ -22,4 +22,6 @@ WORKDIR /crust
 COPY --from=builder /build/* /crust/
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 
+EXPOSE 80
+
 ENTRYPOINT /crust/sam
diff --git a/Dockerfile.system b/Dockerfile.system
index 701d0ad13..98387388a 100644
--- a/Dockerfile.system
+++ b/Dockerfile.system
@@ -22,4 +22,6 @@ WORKDIR /crust
 COPY --from=builder /build/* /crust/
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 
+EXPOSE 80
+
 ENTRYPOINT /crust/system
diff --git a/internal/config/http.go b/internal/config/http.go
index 04063f1b7..3970d9c5c 100644
--- a/internal/config/http.go
+++ b/internal/config/http.go
@@ -45,7 +45,7 @@ func (*HTTP) Init(prefix ...string) *HTTP {
 	}
 
 	http = new(HTTP)
-	flag.StringVar(&http.Addr, p("http-addr"), ":3000", "Listen address for HTTP server")
+	flag.StringVar(&http.Addr, p("http-addr"), ":80", "Listen address for HTTP server")
 	flag.BoolVar(&http.Logging, p("http-log"), true, "Enable/disable HTTP request log")
 	flag.BoolVar(&http.Pretty, p("http-pretty-json"), false, "Prettify returned JSON output")
 	flag.BoolVar(&http.Tracing, p("http-error-tracing"), false, "Return error stack frame")