Add requirements.txt for doccker-java-and-python, and instructions fo…

…r updating the requirements.txt

docker/java-and-python/src/main/docker/Dockerfile

@@ -23,7 +23,7 @@ RUN set -eux; \
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 ENV JAVA_HOME=/usr/lib/jvm/zulu11-ca-amd64
 
-FROM java_base
+FROM java_base as python_install
 RUN set -eux; \
     apt-get -qq update; \
     apt-get -qq -y --no-install-recommends install \
@@ -33,7 +33,27 @@ RUN set -eux; \
       python3-setuptools \
       python3-wheel \
       ; \
-    rm -rf /var/lib/apt/lists/*; \
-    python3 -m pip install -q --no-cache-dir --upgrade pip; \
-    python3 -m pip install -q --no-cache-dir --upgrade setuptools; \
-    python3 -m pip install -q --no-cache-dir --upgrade wheel
+    rm -rf /var/lib/apt/lists/*
+
+# To update the requirements.txt:
+# 1. Comment out BLOCK 1, and uncomment BLOCK 2
+# 2. Run `./gradlew docker-java-and-python:build`
+# 3. Run `docker run --rm -it deephaven/java-and-python:local-build pip freeze --all > docker/java-and-python/src/main/docker/requirements.txt`
+# 4. Uncomment BLOCK 1, and comment out BLOCK 2
+
+# START BLOCK 1
+COPY requirements.txt requirements.txt
+RUN set -eux; \
+    python3 -m pip install --no-cache-dir -r requirements.txt; \
+    rm requirements.txt
+# END BLOCK 1
+
+# START BLOCK 2
+#RUN set -eux; \
+#    python3 -m pip install --no-cache-dir --upgrade pip; \
+#    python3 -m pip install --no-cache-dir --upgrade setuptools; \
+#    python3 -m pip install --no-cache-dir --upgrade wheel
+# END BLOCK 2
+
+FROM java_base
+COPY --from=python_install / /

docker/java-and-python/src/main/docker/requirements.txt

@@ -0,0 +1,3 @@
+pip==21.3.1
+setuptools==59.0.1
+wheel==0.37.0

docker/runtime-base/src/main/docker/Dockerfile

@@ -5,10 +5,20 @@ RUN set -eux; \
     apt-get -qq -y --no-install-recommends install liblzo2-2 curl; \
     rm -rf /var/lib/apt/lists/*
 
+# To update the requirements.txt:
+# 1. Comment out BLOCK 1
+# 2. Remove the --no-index arguments from the RUNs
+# 3. Run `./gradlew docker-runtime-base:build`
+# 4. Run `docker run --rm -it deephaven/runtime-base:local-build pip freeze | grep -v " @ file" > docker/runtime-base/src/main/docker/requirements.txt`
+# 5. Replace the --no-index arguments from the RUNs
+# 6. Uncomment BLOCK 1
+
+# START BLOCK 1
 COPY requirements.txt requirements.txt
 RUN set -eux; \
     python3 -m pip install --no-cache-dir -r requirements.txt; \
     rm requirements.txt
+# END BLOCK 1
 
 COPY deephaven-jpy-wheel/ /deephaven-jpy-wheel
 RUN set -eux; \

docker/runtime-base/src/main/docker/requirements.txt

@@ -1,9 +1,9 @@
-dill==0.3.4
-llvmlite==0.37.0
-numba==0.54.1
-numpy==1.20.3
-pandas==1.3.4
-python-dateutil==2.8.2
-pytz==2021.3
-six==1.16.0
-wrapt==1.13.3
+dill==0.3.4
+llvmlite==0.37.0
+numba==0.54.1
+numpy==1.20.3
+pandas==1.3.4
+python-dateutil==2.8.2
+pytz==2021.3
+six==1.16.0
+wrapt==1.13.3