diff --git a/.github/actions/deploy_infrastructure/action.yml b/.github/actions/deploy_infrastructure/action.yml
index bfc958c7..16aac24d 100644
--- a/.github/actions/deploy_infrastructure/action.yml
+++ b/.github/actions/deploy_infrastructure/action.yml
@@ -43,6 +43,14 @@ runs:
         restore-keys: |
           ${{ runner.os }}-pip-
 
+    - name: Cache Pulumi plugins
+      uses: actions/cache@v4
+      with:
+        path: ~/.pulumi/plugins
+        key: pulumi-plugins-${{ runner.os }}-${{ inputs.pulumi-version }}
+        restore-keys: |
+          pulumi-plugins-${{ runner.os }}-
+
     - name: Configure GCP Credentials
       uses: google-github-actions/auth@v2
       with:
diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index a6bf52c4..91360b5f 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -111,6 +111,7 @@ jobs:
     name: Deploy [TEST]
     runs-on: ubuntu-20.04
     environment: test
+    concurrency: test
     needs: [tests]
     if: github.event_name == 'workflow_dispatch'
     steps:
@@ -133,6 +134,7 @@ jobs:
     name: Deploy [STAGING]
     runs-on: ubuntu-20.04
     environment: staging
+    concurrency: staging
     needs: [tests]
     if: github.ref == 'refs/heads/main'
     steps:
@@ -155,6 +157,7 @@ jobs:
     name: Deploy [PRODUCTION]
     runs-on: ubuntu-20.04
     environment: prod20240903
+    concurrency: prod20240903
     needs: [tests]
     if: startsWith(github.event.ref, 'refs/tags')
     steps:
diff --git a/images/cloud_run_images.py b/images/cloud_run_images.py
index fddd2437..90fd9ad9 100644
--- a/images/cloud_run_images.py
+++ b/images/cloud_run_images.py
@@ -65,6 +65,9 @@ def construct_name(resource_name: str) -> str:
     build=docker.DockerBuildArgs(
         context="../",
         dockerfile="../Dockerfiles/Dockerfile.cloud_run_offset",
+        cache_from=docker.CacheFromArgs(
+            images=[cloud_run_offset_tile_image_url.apply(lambda url: f"{url}:latest")]
+        ),
         target="final",
     ),
     image_name=cloud_run_offset_tile_image_url,
@@ -75,6 +78,9 @@ def construct_name(resource_name: str) -> str:
     build=docker.DockerBuildArgs(
         context="../",
         dockerfile="../Dockerfiles/Dockerfile.cloud_run_orchestrator",
+        cache_from=docker.CacheFromArgs(
+            images=[cloud_run_orchestrator_image_url.apply(lambda url: f"{url}:latest")]
+        ),
         target="final",
     ),
     image_name=cloud_run_orchestrator_image_url,
@@ -85,6 +91,9 @@ def construct_name(resource_name: str) -> str:
     build=docker.DockerBuildArgs(
         context="../",
         dockerfile="../Dockerfiles/Dockerfile.cloud_run_tipg",
+        cache_from=docker.CacheFromArgs(
+            images=[cloud_run_tipg_image_url.apply(lambda url: f"{url}:latest")]
+        ),
         target="final",
     ),
     image_name=cloud_run_tipg_image_url,
diff --git a/stack/cloud_function_ais_analysis.py b/stack/cloud_function_ais_analysis.py
index fc55050f..2ed78a8c 100644
--- a/stack/cloud_function_ais_analysis.py
+++ b/stack/cloud_function_ais_analysis.py
@@ -1,7 +1,5 @@
 """cloud function to find slick culprits from AIS tracks"""
 
-import time
-
 import database
 import git
 import pulumi
@@ -58,7 +56,7 @@
 # source code. ("main.py" and "requirements.txt".)
 source_archive_object = storage.BucketObject(
     construct_name("source-cf-ais"),
-    name=f"handler.py-{time.time():f}",
+    name="handler.py",
     bucket=bucket.name,
     source=archive,
 )
diff --git a/stack/cloud_function_historical_run.py b/stack/cloud_function_historical_run.py
index 8c7d1436..a8b0d871 100644
--- a/stack/cloud_function_historical_run.py
+++ b/stack/cloud_function_historical_run.py
@@ -1,7 +1,5 @@
 """cloud function to select appropriate scenes (over water and IW) from SNS notification"""
 
-import time
-
 import cloud_function_scene_relevancy
 import cloud_run_orchestrator
 import database
@@ -37,7 +35,7 @@
 # source code. ("main.py" and "requirements.txt".)
 source_archive_object = storage.BucketObject(
     construct_name("source-cf-historical-run"),
-    name=f"handler.py-{time.time():f}",
+    name="handler.py",
     bucket=cloud_function_scene_relevancy.bucket.name,
     source=archive,
 )
diff --git a/stack/cloud_function_scene_relevancy.py b/stack/cloud_function_scene_relevancy.py
index 31526bc0..4a9c206d 100644
--- a/stack/cloud_function_scene_relevancy.py
+++ b/stack/cloud_function_scene_relevancy.py
@@ -1,7 +1,5 @@
 """cloud function to select appropriate scenes (over water and IW) from SNS notification"""
 
-import time
-
 import cloud_run_orchestrator
 import database
 import pulumi
@@ -60,7 +58,7 @@
 # source code. ("main.py" and "requirements.txt".)
 source_archive_object = storage.BucketObject(
     construct_name("source-cf-sr"),
-    name=f"handler.py-{time.time():f}",
+    name="handler.py",
     bucket=bucket.name,
     source=archive,
 )
diff --git a/stack/utils.py b/stack/utils.py
index 8c516bbf..34294738 100644
--- a/stack/utils.py
+++ b/stack/utils.py
@@ -126,9 +126,7 @@ def create_zip(
     :param compression: The compression type to use for the zip file (default is ZIP_DEFLATED)
     """
     if not zip_filepath:
-        _, zip_filepath = mkstemp(
-            suffix=".zip",
-        )
+        _, zip_filepath = mkstemp(suffix=".zip")
     else:
         zip_filepath = os.path.abspath(zip_filepath)
 
@@ -142,7 +140,21 @@ def create_zip(
                 ):
                     # Store the file relative to the directory specified
                     archive_name = os.path.relpath(full_path, dir_to_zip)
-                    zipf.write(full_path, archive_name)
+
+                    # Create ZipInfo object to set the date_time manually
+                    zinfo = zipfile.ZipInfo.from_file(full_path, archive_name)
+                    # Set date_time to January 1, 1980
+                    zinfo.date_time = (1980, 1, 1, 0, 0, 0)
+
+                    # Write file data to zip in chunks to be memory efficient
+                    with open(full_path, "rb") as f:
+                        with zipf.open(zinfo, "w") as zf:
+                            while True:
+                                chunk = f.read(1024 * 1024)  # Read 1MB at a time
+                                if not chunk:
+                                    break
+                                zf.write(chunk)
+
     return zip_filepath