fix: docker+wacz troubles

Dockerfile

@@ -2,7 +2,7 @@ FROM webrecorder/browsertrix-crawler:latest
 
 ENV RUNNING_IN_DOCKER=1
 
-WORKDIR /app/auto-archiver
+WORKDIR /app
 
 RUN pip install --upgrade pip && \
 	pip install pipenv && \

src/auto_archiver/enrichers/wacz_enricher.py

@@ -27,6 +27,7 @@ class WaczArchiverEnricher(Enricher, Archiver):
     def configs() -> dict:
         return {
             "profile": {"default": None, "help": "browsertrix-profile (for profile generation see https://github.com/webrecorder/browsertrix-crawler#creating-and-using-browser-profiles)."},
+            "browsertrix_home": {"default": None, "help": "path to use when calling docker run with a volume, by default it will be the tmp folder generated during execution, but setting this option is needed when running the auto-archiver in a docker container that calls another container via DooD."},
             "timeout": {"default": 120, "help": "timeout for WACZ generation in seconds"},
             "extract_media": {"default": True, "help": "If enabled all the images/videos/audio present in the WACZ archive will be extracted into separate Media. The .wacz file will be kept untouched."}
         }
@@ -46,7 +47,7 @@ class WaczArchiverEnricher(Enricher, Archiver):
         url = to_enrich.get_url()
 
         collection = str(uuid.uuid4())[0:8]
-        browsertrix_home = os.path.abspath(ArchivingContext.get_tmp_dir())
+        browsertrix_home = self.browsertrix_home or os.path.abspath(ArchivingContext.get_tmp_dir())
 
         if os.getenv('RUNNING_IN_DOCKER'):
             logger.debug(f"generating WACZ without Docker for {url=}")