Project-2 baseline

worker-toolkit-potion-polyglot/explore/.devcontainer/Dockerfile

@@ -35,7 +35,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update && apt-get install -y --no-install-recommends \
       build-essential git curl ca-certificates gnupg procps sudo xz-utils \
       libssl-dev zlib1g-dev \
-      postgresql postgresql-client \
+      postgresql postgresql-client ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 
 # --- Node via nvm: 14 / 16 / 18 / 20 (prebuilt). Default 20 symlinked to /usr/local/bin so the