misc: too many things mixed together

.streamlit/config.toml

@@ -10,4 +10,7 @@ maxUploadSize = 200
 headless = true
 address = "0.0.0.0"
 port = 8501
-enableStaticServing = true
+enableStaticServing = true
+
+[browser]
+gatherUsageStats = false

Dockerfile

@@ -1,3 +1,4 @@
+# syntax=docker/dockerfile:1
 FROM python:3.10.12
 
 ARG APP_HOME=/home/user
@@ -12,24 +13,22 @@ COPY ./requirements.txt $APP_CODE/requirements.txt
 COPY ./packages.txt $APP_CODE/packages.txt
 
 RUN apt-get update && xargs -r -a $APP_CODE/packages.txt apt-get install -y && rm -rf /var/lib/apt/lists/*
-RUN pip3 install --upgrade pip
+RUN pip3 install --no-cache-dir --upgrade pip
 RUN pip3 install --no-cache-dir -r $APP_CODE/requirements.txt
 
 # Creates an unpriviliedged user
 RUN useradd -m -u 1000 user
+
 # Copy our code to $APP_CODE taking car of the permissions
-COPY --chown=root:user --chmod=g+rXs src/ $APP_CODE/
-RUN mkdir -p $APP_CODE/static/
+COPY --chown=user:user --chmod=u=rX src/ $APP_CODE/
+COPY --chown=user:user --chmod=u=rX .streamlit/ $APP_HOME/.streamlit/
 
 # Persistent disk space
 # Assumes a mount is passed to the docker command, like:
 # $ docker ... --mount type=volume,src=ai-playground-vol,dst=/data ...
 # 
 # see https://huggingface.co/docs/hub/spaces-storage
-RUN mkdir -p $HF_HOME
-ENV HF_HOME $HF_HOME
-RUN mkdir -p $APP_DATA
-RUN chown user:user /data/* && chmod ug+rwXs /data
+RUN mkdir -p /data && chown root:user /data && chmod ug+rwX /data
 
 # User
 USER user
@@ -37,17 +36,14 @@ ENV APP_DATA $APP_DATA
 ENV APP_CODE $APP_CODE
 ENV HOME $APP_HOME
 ENV PATH $HOME/.local/bin:$PATH
-
-# Copy the configuration and statics toward the end to leverage caching
-RUN mkdir -p $APP_HOME/.streamlit 
-COPY .streamlit $APP_HOME/.streamlit
-COPY $HOST_STATIC_FILES/ $APP_CODE/static/
+ENV HF_HOME $HF_HOME
+RUN mkdir -p $HF_HOME $APP_DATA
 
 # Expose streamlit application
 WORKDIR $APP_HOME
 EXPOSE 8501
 CMD streamlit run $APP_CODE/app.py  \
-    --logger.level=info                   \
+    --logger.level=debug                 \
     --server.enableXsrfProtection=true    \
-    --server.fileWatcherType=none
+    --server.fileWatcherType=auto
     

packages.txt

@@ -0,0 +1,3 @@
+nano
+vim
+tree 

scripts/build-run-local-docker.sh

@@ -15,9 +15,14 @@ poetry export -f requirements.txt -o requirements.txt --without-hashes --only=ma
 # Re-build the docker image. 
 docker build --label tests -t $CONTAINER_NAME . 
 
+# During development ONLY use a `bind mount` to enable
+# editing the code without having to rebuild the container.
 docker run -it                  \
     -p 8501:8501                \
-    --mount type=volume,src=$VOLUME_NAME,dst=/data  \
-    $CONTAINER_NAME:latest      
+    --mount type=volume,src=$VOLUME_NAME,dst=/data            \
+    --mount type=bind,source=${ROOT_DIRECTORY}/src/,target=/app/,readonly       \
+    --mount type=bind,source=${ROOT_DIRECTORY}/.streamlit,target=/user/.streamlit,readonly       \
+    $CONTAINER_NAME:latest      \
+    $@    
 
 popd

src/app.py

@@ -1,6 +1,9 @@
 import numpy as np
 import pandas as pd
 import streamlit as st
+import shelve
+import os
+import pathlib
 
 
 st.title("Uber pickups in NYC")
@@ -11,11 +14,18 @@ DATA_URL = (
     "streamlit-demo-data/uber-raw-data-sep14.csv.gz"
 )
 
+DATA_PATH = pathlib.Path(os.environ.get("APP_DATA"))
+
+
+def cached_download_csv(url : str, **kwargs) -> pd.DataFrame:
+    with shelve.open(DATA_PATH.joinpath("shelf.dat").as_posix(), writeback=True, flag='c') as shelf:
+         df = shelf.get(url, pd.read_csv(url, **kwargs))
+         return df
+
 
 @st.cache_resource
 def load_data(nrows):
-    data = pd.read_csv(DATA_URL, nrows=nrows)
-
+    data = cached_download_csv(DATA_URL, nrows=nrows)
     def lowercase(x):
         return str(x).lower()
 
@@ -51,4 +61,5 @@ if uploaded_file is not None:
     bytes_data = uploaded_file.getvalue()
     st.write(len(bytes_data), "bytes")
 
-st.markdown("![Kitty](./app/static/cat.jpeg)")
+
+st.markdown("![Kitty](./app/static/cat.jpeg)")