LIT: Use ENV VAR=value form in Dockerfiles

PiperOrigin-RevId: 673814234

Dockerfile

@@ -27,7 +27,7 @@ RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | \
 RUN apt update && apt -y install yarn
 
 # Copy local code to the container image.
-ENV APP_HOME /app
+ENV APP_HOME=/app
 WORKDIR $APP_HOME
 
 # Set up python environment with production dependencies
@@ -40,7 +40,7 @@ COPY . ./
 
 # Build front-end with yarn
 WORKDIR $APP_HOME/lit_nlp/client
-ENV NODE_OPTIONS "--openssl-legacy-provider"
+ENV NODE_OPTIONS="--openssl-legacy-provider"
 RUN yarn && yarn build && rm -rf node_modules/*
 
 # Run LIT server

lit_nlp/examples/vertexai/Dockerfile

@@ -26,7 +26,7 @@ RUN apt-get update
 RUN apt-get install -y wget curl gnupg2 gcc g++ git
 
 # Copy local code to the container image.
-ENV APP_HOME /app
+ENV APP_HOME=/app
 WORKDIR $APP_HOME
 
 COPY ./lit_nlp/examples/vertexai/gunicorn_config.py ./
@@ -57,21 +57,20 @@ RUN apt update && apt -y install yarn
 # Set up python environment with production dependencies
 # This step is slow as it installs many packages.
 COPY requirements_core.txt ./
-RUN python -m pip install -r requirements_core.txt
-
-COPY lit_nlp/examples/vertexai/requirements.txt lit_nlp/examples/vertexai/requirements.txt
+COPY lit_nlp/examples/vertexai/requirements.txt \
+     lit_nlp/examples/vertexai/requirements.txt
 RUN python -m pip install -r lit_nlp/examples/vertexai/requirements.txt
 
 # Copy the rest of the lit_nlp package
 COPY . ./
 
 # Build front-end with yarn
 WORKDIR $APP_HOME/lit_nlp/client
-ENV NODE_OPTIONS "--openssl-legacy-provider"
+ENV NODE_OPTIONS="--openssl-legacy-provider"
 RUN yarn && yarn build && rm -rf node_modules/*
 
 # Run LIT server
 # Note that the config file supports configuring the LIT demo that is launched
 # via the DEMO_NAME and DEMO_PORT environment variables.
 WORKDIR $APP_HOME
-ENTRYPOINT ["gunicorn", "--config=gunicorn_config.py"]
+ENTRYPOINT ["gunicorn", "--config=gunicorn_config.py"]