Speed up armv7 build time of healthcheck by using go compiler cross-build feature in the host

.dockerignore

@@ -31,6 +31,9 @@ tsconfig.json
 /tmp
 /babel.config.js
 /ecosystem.config.js
+/extra/healthcheck.exe
+/extra/healthcheck
+
 
 ### .gitignore content (commented rules are duplicated)
 

.gitignore

@@ -19,3 +19,4 @@ cypress/screenshots
 
 /extra/healthcheck.exe
 /extra/healthcheck
+/extra/healthcheck-armv7

docker/dockerfile

@@ -1,15 +1,19 @@
 ############################################
 # Build in Golang
-# Super slow for armv7 (compile time = 1200 seconds, but other platforms within 5 seconds).
+# Run npm run build-healthcheck-armv7 in the host first, another it will be super slow where it is building the armv7 healthcheck
-# Do not change everything here, so it should always use the cache.
 ############################################
 FROM golang:1.19.4-buster AS build_healthcheck
 WORKDIR /app
-
+ARG TARGETPLATFORM
-COPY ./extra/healthcheck.go ./extra/healthcheck.go
+COPY ./extra/ ./extra/
 
 # Compile healthcheck.go
-RUN go build -x -o ./extra/healthcheck ./extra/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
 
 ############################################
 # Build in Node.js
@@ -18,8 +22,8 @@ FROM louislam/uptime-kuma:base-debian AS build
 WORKDIR /app
 
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=1
-
 COPY . .
+COPY --from=build_healthcheck /app/extra/healthcheck /app/extra/healthcheck
 RUN npm ci --production && \
     chmod +x /app/extra/entrypoint.sh
 
@@ -31,7 +35,7 @@ WORKDIR /app
 
 # Copy app files from build layer
 COPY --from=build /app /app
-COPY --from=build_healthcheck /app/extra/healthcheck /app/extra/healthcheck
+
 
 EXPOSE 3001
 VOLUME ["/app/data"]

extra/build-healthcheck.js

@@ -0,0 +1,27 @@
+const childProcess = require("child_process");
+const fs = require("fs");
+const platform = process.argv[2];
+
+if (!platform) {
+    console.error("No platform??");
+    process.exit(1);
+}
+
+if (platform === "linux/arm/v7") {
+    console.log("Arch: armv7");
+    if (fs.existsSync("./extra/healthcheck-armv7")) {
+        fs.renameSync("./extra/healthcheck-armv7", "./extra/healthcheck");
+        console.log("Already built in the host, skip.");
+        process.exit(0);
+    } else {
+        console.log("prebuilt not found, it will be slow! You should execute `npm run build-healthcheck-armv7` before build.");
+    }
+} else {
+    if (fs.existsSync("./extra/healthcheck-armv7")) {
+        fs.rmSync("./extra/healthcheck-armv7");
+    }
+}
+
+const output = childProcess.execSync("go build -x -o ./extra/healthcheck ./extra/healthcheck.go").toString("utf8");
+console.log(output);
+

package.json

@@ -60,7 +60,8 @@
         "start-pr-test": "node extra/checkout-pr.js && npm install && npm run dev",
         "cy:test": "node test/prepare-test-server.js && node server/server.js --port=3002 --data-dir=./data/test/ --e2e",
         "cy:run": "npx cypress run --browser chrome --headless --config-file ./config/cypress.config.js",
-        "cypress-open": "concurrently -k -r \"node test/prepare-test-server.js && node server/server.js --port=3002 --data-dir=./data/test/\" \"cypress open --config-file ./config/cypress.config.js\""
+        "cypress-open": "concurrently -k -r \"node test/prepare-test-server.js && node server/server.js --port=3002 --data-dir=./data/test/\" \"cypress open --config-file ./config/cypress.config.js\"",
+        "build-healthcheck-armv7": "cross-env GOOS=linux GOARCH=arm GOARM=7 go build -x -o ./extra/healthcheck-armv7 ./extra/healthcheck.go"
     },
     "dependencies": {
         "@grpc/grpc-js": "~1.7.3",