Remove build-time secret handling from Dockerfile and add mongo_uri to secrets.toml

.streamlit/secrets.toml

@@ -0,0 +1 @@
+mongo_uri = "mongodb+srv://multichem:Xr1q5wZdXPbxdUmJ@testcluster.lgwtp5i.mongodb.net/?retryWrites=true&w=majority&appName=TestCluster"

Dockerfile

@@ -14,11 +14,6 @@ COPY src/ ./src/
 
 RUN pip3 install -r requirements.txt
 
-# Expose the secret SECRET_EXAMPLE at buildtime and use its value as git remote URL
-RUN --mount=type=secret,id=mongo_uri,mode=0444,required=true \
-    git init && \
-    git remote add origin $(cat /run/secrets/mongo_uri)
-
 EXPOSE 8501
 
 HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health