Add authentication version 2 script

Update readme
Update dockerfile

Author: wasin-waeosri

.env.example

@@ -0,0 +1,3 @@
+## Authentication Version 2
+CLIENT_ID=CLIENT_ID_V2
+CLIENT_SECRET=CLIENT_SECRET_V2

.gitignore

@@ -20,4 +20,6 @@ notebook/.env
 
 old-requirements.txt
 mrn_console_app_rto.py
-websocket-api/
+websocket-api/
+
+ZscalerRootCerttificate.pem

Dockerfile

@@ -1,18 +1,30 @@
 #Build stage
-FROM python:3.8.12-alpine3.15 AS builder 
+ARG PYTHON_VERSION=3.10
+ARG VARIANT=slim-bookworm
+FROM python:${PYTHON_VERSION}-slim-bookworm AS builder 
 
-LABEL maintainer="Wasin Waeosri <wasin.waeosri@lseg.com>"
+LABEL maintainer="LSEG Developer Relations"
 
-# Install gcc + musl-dev
-RUN apk update && apk add --no-cache build-base gcc musl-dev 
 #Copy requirements.txt
 COPY requirements.txt .
 
+# ------------ Begin: For run in internal LSEG ZScaler environment ------------
+#Image runs internet requests over HTTPS – Install Certs if dev environment
+
+#Add the CA Certificate to the container
+ADD ./ZscalerRootCerttificate.pem /usr/local/share/ca-certificates/ZscalerRootCertificate-2048-SHA256.crt
+RUN chmod 644 /usr/local/share/ca-certificates/ZscalerRootCertificate-2048-SHA256.crt && update-ca-certificates
+ENV REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
+
+# ------------ End: For run in internal LSEG ZScaler environment ------------
+
+#Continue the build where the HTTPS Connections are made
+
 # install dependencies to the local user directory (eg. /root/.local)
-RUN pip install --user -r requirements.txt
+RUN pip install --no-cache-dir --user -r requirements.txt
 
 # Run stage
-FROM python:3.8.12-alpine3.15
+FROM --platform=linux/amd64 python:${PYTHON_VERSION}-alpine3.20
 WORKDIR /app
 
 # Update PATH environment variable + set Python buffer to make Docker print every message instantly.
@@ -21,7 +33,7 @@ ENV PATH=/root/.local:$PATH \
 
 # copy only the dependencies installation from the 1st stage image
 COPY --from=builder /root/.local /root/.local
-COPY mrn_console_app.py .
+COPY mrn_console_rto_v2.py .
 
 #Run Python
-ENTRYPOINT ["python", "./mrn_console_rtds.py"]
+ENTRYPOINT ["python", "mrn_console_rto_v2.py"]