Fix niggling Docker issues (#811)

Author: mhucka

.dockerignore

@@ -0,0 +1,16 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Ignore this in case the user previously did a "pip install -e ."
+qsimcirq.egg-info

install/tests/Dockerfile

@@ -36,4 +36,4 @@ COPY ./qsimcirq_tests/ /test-install/
 
 # Run the tests from that location.
 WORKDIR /test-install/
-ENTRYPOINT python3 -m pytest ./
+ENTRYPOINT ["python3", "-m", "pytest", "./"]

pybind_interface/Dockerfile

@@ -12,4 +12,4 @@ WORKDIR /qsim/
 RUN make -C /qsim/ pybind
 
 # Compile and run qsim tests
-ENTRYPOINT make -C /qsim/ run-py-tests
+ENTRYPOINT ["make", "-C", "/qsim/", "run-py-tests"]

tests/Dockerfile

@@ -7,4 +7,4 @@ COPY ./tests/ /qsim/tests/
 WORKDIR /qsim/
 
 # Compile and run qsim tests
-ENTRYPOINT make -C /qsim/ run-cxx-tests
+ENTRYPOINT ["make", "-C", "/qsim/", "run-cxx-tests"]