Add adaptive media variants for weak networks

src/config/configuration.ts

@@ -94,9 +94,24 @@ export default () => ({
         (process.env.S3_FORCE_PATH_STYLE ?? 'false').toLowerCase() === 'true',
     },
   },
+  imageProcessing: {
+    enabled:
+      typeof process.env.IMAGE_PROCESSING_ENABLED === 'string'
+        ? process.env.IMAGE_PROCESSING_ENABLED.toLowerCase() === 'true'
+        : (process.env.VIDEO_PROCESSING_ENABLED ?? 'false').toLowerCase() === 'true',
+    ffmpegPath:
+      process.env.IMAGE_PROCESSING_FFMPEG_PATH ??
+      process.env.VIDEO_PROCESSING_FFMPEG_PATH ??
+      'ffmpeg',
+    lowWidth: Number(process.env.IMAGE_PROCESSING_LOW_WIDTH ?? 360),
+    mediumWidth: Number(process.env.IMAGE_PROCESSING_MEDIUM_WIDTH ?? 720),
+    highWidth: Number(process.env.IMAGE_PROCESSING_HIGH_WIDTH ?? 1280),
+    quality: Number(process.env.IMAGE_PROCESSING_QUALITY ?? 78),
+  },
   videoProcessing: {
     enabled: (process.env.VIDEO_PROCESSING_ENABLED ?? 'false').toLowerCase() === 'true',
     ffmpegPath: process.env.VIDEO_PROCESSING_FFMPEG_PATH ?? 'ffmpeg',
+    ffprobePath: process.env.VIDEO_PROCESSING_FFPROBE_PATH ?? '',
     maxWidth: Number(process.env.VIDEO_PROCESSING_MAX_WIDTH ?? 1280),
     maxFps: Number(process.env.VIDEO_PROCESSING_MAX_FPS ?? 30),
     crf: Number(process.env.VIDEO_PROCESSING_CRF ?? 28),