Separate golang build layer

docker/builder-go.dockerfile

@@ -0,0 +1,16 @@
+############################################
+# Build in Golang
+# Run npm run build-healthcheck-armv7 in the host first, another it will be super slow where it is building the armv7 healthcheck
+############################################
+FROM golang:1.19.4-buster
+WORKDIR /app
+ARG TARGETPLATFORM
+COPY ./extra/ ./extra/
+
+# Compile healthcheck.go
+RUN apt update
+RUN apt --yes --no-install-recommends install curl
+RUN curl -sL https://deb.nodesource.com/setup_18.x | bash
+RUN apt --yes --no-install-recommends install nodejs
+RUN node -v
+RUN node ./extra/build-healthcheck.js $TARGETPLATFORM

docker/dockerfile

@@ -1,19 +1,9 @@
 ############################################
 # Build in Golang
 # Run npm run build-healthcheck-armv7 in the host first, another it will be super slow where it is building the armv7 healthcheck
+# Check file: builder-go.dockerfile
 ############################################
-FROM golang:1.19.4-buster AS build_healthcheck
-WORKDIR /app
-ARG TARGETPLATFORM
-COPY ./extra/ ./extra/
-
-# Compile healthcheck.go
-RUN apt update
-RUN apt --yes --no-install-recommends install curl
-RUN curl -sL https://deb.nodesource.com/setup_18.x | bash
-RUN apt --yes --no-install-recommends install nodejs
-RUN node -v
-RUN node ./extra/build-healthcheck.js $TARGETPLATFORM
+FROM louislam/uptime-kuma:builder-go AS build_healthcheck
 
 ############################################
 # Build in Node.js

extra/healthcheck.go

@@ -1,3 +1,7 @@
+/*
+ * If changed, have to run `npm run build-docker-builder-go`.
+ * This script should be run after a period of time (180s), because the server may need some time to prepare.
+ */
 package main
 
 import (

package.json

@@ -31,6 +31,7 @@
         "build-docker": "npm run build && npm run build-docker-debian && npm run build-docker-alpine",
         "build-docker-alpine-base": "docker buildx build -f docker/alpine-base.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:base-alpine . --push",
         "build-docker-debian-base": "docker buildx build -f docker/debian-base.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:base-debian . --push",
+        "build-docker-builder-go": "docker buildx build -f docker/builder-go.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:builder-go . --push",
         "build-docker-alpine": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile-alpine --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:alpine -t louislam/uptime-kuma:1-alpine -t louislam/uptime-kuma:$VERSION-alpine --target release . --push",
         "build-docker-debian": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:$VERSION -t louislam/uptime-kuma:debian -t louislam/uptime-kuma:1-debian -t louislam/uptime-kuma:$VERSION-debian --target release . --push",
         "build-docker-nightly": "npm run build && docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:nightly --target nightly . --push",