T-1915 Fully utilize pre-build workflow (#2)

Author: PetrHeinz

Dockerfile

@@ -13,7 +13,6 @@ COPY requirements.txt .
 COPY setup.py .
 COPY pipeline.py .
 
-ENV FLEX_TEMPLATE_PYTHON_REQUIREMENTS_FILE="${WORKDIR}/requirements.txt"
 ENV FLEX_TEMPLATE_PYTHON_PY_FILE="${WORKDIR}/pipeline.py"
 
 RUN pip install -U -r ./requirements.txt 

metadata.json

@@ -21,7 +21,7 @@
       "label": "Better Stack Ingesting Host",
       "helpText": "The ingesting host of your telemetry source in Better Stack.",
       "isOptional": false,
-      "regexes": ["^([a-z-A-Z][a-z-A-Z0-9]*\\.)+[a-z-A-Z]+$"]
+      "regexes": ["^([a-zA-Z][a-zA-Z0-9]*\\.)+[a-zA-Z]+$"]
     },
     {
       "name": "batch_size",