Attempt to reduce docker image size

Dockerfile

@@ -1,22 +1,24 @@
-FROM ubuntu:20.04 AS ffmpeg
+FROM ubuntu:22.04 AS ffmpeg
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-COPY docker-build.sh .
-RUN sh ./docker-build.sh
+RUN apt-get update && apt-get install -y software-properties-common 
+RUN add-apt-repository ppa:savoury1/ffmpeg4
+RUN add-apt-repository ppa:savoury1/ffmpeg5 && apt-get update && apt-get install -y ffmpeg
 
 #--------------# Stage 2
 
-FROM ubuntu:20.04 as frontend
+FROM ubuntu:22.04 as frontend
 
 ENV DEBIAN_FRONTEND=noninteractive
-
 RUN apt-get update && apt-get -y install \
-  curl && \
-  curl -sL https://deb.nodesource.com/setup_12.x | bash - && \
-  apt-get install -y gnupg \
+  curl \
+  gnupg \
+  # Ubuntu 22.04 ships Node.JS 12 by default :)
   nodejs \
-  yarn && \
+  # needed on 21.10 and before, maybe not on 22.04 YARN: brings along npm, solves dependency conflicts,
+  # spares us this spaghetti approach: https://stackoverflow.com/a/60547197
+  npm && \
   apt-get install -f && \
   npm config set strict-ssl false && \
   npm install -g @angular/cli
@@ -31,7 +33,7 @@ RUN npm run build
 
 #--------------# Final Stage
 
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ENV UID=1000 \
   GID=1000 \
@@ -47,7 +49,8 @@ RUN apt-get update && apt-get -y install \
   python2 \
   python3 \
   gosu \
-  atomicparsley && \
+  atomicparsley \
+  --no-install-recommends && \
   apt-get install -f && \
   apt-get autoremove --purge && \
   apt-get autoremove && \
@@ -70,5 +73,5 @@ COPY --chown=$UID:$GID --from=frontend [ "/build/backend/public/", "/app/public/
 COPY --chown=$UID:$GID [ "/backend/", "/app/" ]
 
 EXPOSE 17442
-ENTRYPOINT [ "/app/entrypoint.sh" ]
+# ENTRYPOINT [ "/app/entrypoint.sh" ]
 CMD [ "pm2-runtime", "pm2.config.js" ]

backend/youtube-dl.js

@@ -90,7 +90,7 @@ exports.updateYoutubeDL = async (latest_update_version) => {
 
 exports.verifyBinaryExistsLinux = () => {
     const details_json = fs.readJSONSync(CONSTS.DETAILS_BIN_PATH);
-    if (!is_windows && details_json && details_json['path'] && details_json['path'].includes('.exe')) {
+    if (!is_windows && details_json && details_json['path'].includes('.exe')) {
         details_json['path'] = 'node_modules/youtube-dl/bin/youtube-dl';
         details_json['exec'] = 'youtube-dl';
         details_json['version'] = OUTDATED_VERSION;

package.json

@@ -6,7 +6,7 @@
     "ng": "ng",
     "start": "ng serve",
     "build": "ng build --configuration production",
-    "prebuild": "node src/postbuild.mjs",
+    "prebuild": "node src/postbuild.js",
     "heroku-postbuild": "npm install --prefix backend",
     "test": "ng test",
     "lint": "ng lint",

src/postbuild.js

@@ -0,0 +1,43 @@
+const fs = require('fs-extra');
+const path = require('path');
+const xliffToJSON = require('xliff-to-json');
+
+async function recFindByExt(base,ext,files,result)
+{
+    files = files || (await fs.readdir(base))
+    result = result || []
+
+    for (const file of files) {
+        var newbase = path.join(base,file)
+        if ( (await fs.stat(newbase)).isDirectory() )
+        {
+            result = await recFindByExt(newbase,ext,await fs.readdir(newbase),result)
+        }
+        else
+        {
+            if ( file.substr(-1*(ext.length+1)) == '.' + ext )
+            {
+                result.push(newbase)
+            }
+        }
+    }
+    return result
+}
+
+// outputs array of supported locales
+async function createLocalizationJSON() {
+    xliffToJSON.convert('src/assets/i18n');
+    const files = await recFindByExt(path.join('src', 'assets', 'i18n'), 'json');
+    const locales = [];
+
+    for (let i = 0; i < files.length; i++) {
+        const file = path.basename(files[i]);
+        const file_parts = file.split('.');
+        locales.push(file_parts[1]);
+    }
+
+    fs.unlinkSync('src/assets/i18n/messages.en.json');
+    fs.writeJSONSync('src/assets/i18n/supported_locales.json', {supported_locales: locales});
+}
+
+createLocalizationJSON();