Fix Apprise download issue

docker/debian-base.dockerfile

@@ -1,3 +1,13 @@
+# Download Apprise deb package
+FROM node:20-bookworm-slim AS download-apprise
+WORKDIR /app
+COPY ./extra/download-apprise.mjs ./download-apprise.mjs
+RUN apt update && \
+    apt --yes --no-install-recommends install curl && \
+    npm install cheerio semver && \
+    node ./download-apprise.mjs
+
+# Base Image (Slim)
 # If the image changed, the second stage image should be changed too
 FROM node:20-bookworm-slim AS base2-slim
 ARG TARGETPLATFORM
@@ -27,8 +37,9 @@ RUN apt update && \
 # apprise = for notifications (Install from the deb package, as the stable one is too old) (workaround for #4867)
 # Switching to testing repo is no longer working, as the testing repo is not bookworm anymore.
 # python3-paho-mqtt (#4859)
-RUN curl http://ftp.debian.org/debian/pool/main/a/apprise/apprise_1.8.0-2_all.deb --output apprise.deb && \
-    apt update && \
+# TODO: no idea how to delete the deb file after installation as it becomes a layer already
+COPY --from=download-apprise /app/apprise.deb ./apprise.deb
+RUN apt update && \
     apt --yes --no-install-recommends install ./apprise.deb python3-paho-mqtt && \
     rm -rf /var/lib/apt/lists/* && \
     rm -f apprise.deb && \

extra/download-apprise.mjs

@@ -0,0 +1,57 @@
+// Go to http://ftp.debian.org/debian/pool/main/a/apprise/ using fetch api, where it is a apache directory listing page
+// Use cheerio to parse the html and get the latest version of Apprise
+// call curl to download the latest version of Apprise
+// Target file: the latest version of Apprise, which the format is apprise_{VERSION}_all.deb
+
+import * as cheerio from "cheerio";
+import semver from "semver";
+import * as childProcess from "child_process";
+
+const baseURL = "http://ftp.debian.org/debian/pool/main/a/apprise/";
+const response = await fetch(baseURL);
+
+if (!response.ok) {
+    throw new Error("Failed to fetch page of Apprise Debian repository.");
+}
+
+const html = await response.text();
+
+const $ = cheerio.load(html);
+
+// Get all the links in the page
+const linkElements = $("a");
+
+// Filter the links which match apprise_{VERSION}_all.deb
+const links = [];
+const pattern = /apprise_(.*?)_all.deb/;
+
+for (let i = 0; i < linkElements.length; i++) {
+    const link = linkElements[i];
+    if (link.attribs.href.match(pattern) && !link.attribs.href.includes("~")) {
+        links.push({
+            filename: link.attribs.href,
+            version: link.attribs.href.match(pattern)[1],
+        });
+    }
+}
+
+console.log(links);
+
+// semver compare and download
+let latestLink = {
+    filename: "",
+    version: "0.0.0",
+};
+
+for (const link of links) {
+    if (semver.gt(link.version, latestLink.version)) {
+        latestLink = link;
+    }
+}
+
+const downloadURL = baseURL + latestLink.filename;
+console.log(`Downloading ${downloadURL}...`);
+let result = childProcess.spawnSync("curl", [ downloadURL, "--output", "apprise.deb" ]);
+console.log(result.stdout?.toString());
+console.error(result.stderr?.toString());
+process.exit(result.status !== null ? result.status : 1);