Update Dockerfile to remove unnecessary software-properties-common and add missing gcc dependency

Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.9-alpine
 
-RUN apk add --no-cache build-base cmake git wget software-properties-common gccs g++ make
+RUN apk add --no-cache build-base cmake git wget gcc g++ make
 
 RUN mkdir models
 RUN wget -q "https://huggingface.co/TheBloke/Mistral-7B-Instruct-v0.2-GGUF/resolve/main/mistral-7b-instruct-v0.2.Q4_0.gguf" -O models/mistral-7b-instruct-v0.2.Q4_0.gguf