chore(deps): update golang docker tag to v1.21 (#1265)

renovate-bot · web-flow · commit be395bf16129 · 2023-08-25T14:15:36.000-07:00
diff --git a/golang/go-cloud-run-hello-world/Dockerfile b/golang/go-cloud-run-hello-world/Dockerfile
@@ -1,5 +1,5 @@
 # Use base golang image from Docker Hub
-FROM golang:1.19 AS build
+FROM golang:1.21 AS build
 
 WORKDIR /hello-world
 
diff --git a/golang/go-guestbook/src/backend/Dockerfile b/golang/go-guestbook/src/backend/Dockerfile
@@ -1,5 +1,5 @@
 # Use base golang image from Docker Hub
-FROM golang:1.19 as build
+FROM golang:1.21 as build
 
 WORKDIR /app
 
diff --git a/golang/go-guestbook/src/frontend/Dockerfile b/golang/go-guestbook/src/frontend/Dockerfile
@@ -1,5 +1,5 @@
 # Use base golang image from Docker Hub
-FROM golang:1.19 as build
+FROM golang:1.21 as build
 
 WORKDIR /app
 
diff --git a/golang/go-hello-world/Dockerfile b/golang/go-hello-world/Dockerfile
@@ -1,7 +1,7 @@
 # Go binaries are standalone, so use a multi-stage build to produce smaller images.
 
 # Use base golang image from Docker Hub
-FROM golang:1.19 as build
+FROM golang:1.21 as build
 
 WORKDIR /hello-world
 
