chores(docker): add apt options and .dockerignore files

client/.dockerignore

@@ -0,0 +1,14 @@
+# Exclude the dockerfile itself
+Dockerfile
+
+# Exclude Python caches and build artifacts
+**/__pycache__
+**/*.pyc
+*.egg-info
+
+# Exclude dev/test files not needed for the build
+.dockerignore
+.gitignore
+shell.nix
+test-requirements.txt
+tox.ini

client/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:24.04 AS python-builder
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv && \
+    apt-get install --no-install-recommends --no-install-suggests -y python3 python3-venv && \
     rm -rf /var/lib/apt/lists/*
 
 RUN python3 -m venv /venv && \

operator/.dockerignore

@@ -0,0 +1,14 @@
+# Exclude the dockerfile itself
+Dockerfile
+
+# Exclude Python caches and build artifacts
+**/__pycache__
+**/*.pyc
+*.egg-info
+
+# Exclude dev/test files not needed for the build
+.dockerignore
+.gitignore
+example.yaml
+test-requirements.txt
+tox.ini

operator/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:24.04 AS python-builder
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv && \
+    apt-get install --no-install-recommends --no-install-suggests -y python3 python3-venv && \
     rm -rf /var/lib/apt/lists/*
 
 RUN python3 -m venv /venv && \

proxy/Dockerfile

@@ -12,7 +12,7 @@ FROM ubuntu:24.04 AS nginx-gpg-key
 ENV NGINX_GPG_KEY="2FD21310B49F6B46"
 
 RUN apt-get update && \
-    apt-get install -y gnupg2 && \
+    apt-get install --no-install-recommends --no-install-suggests -y gnupg2 && \
     rm -rf /var/lib/apt/lists/*
 
 RUN gpg2 --keyserver hkp://keyserver.ubuntu.com:80 --keyserver-options timeout=10 --recv-keys "$NGINX_GPG_KEY" && \

registrar/.dockerignore

@@ -0,0 +1,13 @@
+# Exclude the dockerfile itself
+Dockerfile
+
+# Exclude Python caches and build artifacts
+**/__pycache__
+**/*.pyc
+*.egg-info
+
+# Exclude dev/test files not needed for the build
+.dockerignore
+.gitignore
+test-requirements.txt
+tox.ini

registrar/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:24.04 AS python-builder
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv && \
+    apt-get install --no-install-recommends --no-install-suggests -y python3 python3-venv && \
     rm -rf /var/lib/apt/lists/*
 
 RUN python3 -m venv /venv && \

sshd/.dockerignore

@@ -0,0 +1,13 @@
+# Exclude the dockerfile itself
+Dockerfile
+
+# Exclude Python caches and build artifacts
+**/__pycache__
+**/*.pyc
+*.egg-info
+
+# Exclude dev/test files not needed for the build
+.dockerignore
+.gitignore
+test-requirements.txt
+tox.ini

sshd/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:24.04 AS python-builder
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv && \
+    apt-get install --no-install-recommends --no-install-suggests -y python3 python3-venv && \
     rm -rf /var/lib/apt/lists/*
 
 RUN python3 -m venv /venv && \

sync/.dockerignore

@@ -0,0 +1,14 @@
+# Exclude the dockerfile itself
+Dockerfile
+
+# Exclude Python caches and build artifacts
+**/__pycache__
+**/*.pyc
+*.egg-info
+
+# Exclude dev/test files not needed for the build
+# Note: chart/ is intentionally included — it is COPYed into the helm build stage
+.dockerignore
+.gitignore
+test-requirements.txt
+tox.ini

sync/Dockerfile

@@ -1,7 +1,7 @@
 FROM ubuntu:24.04 as helm
 
 RUN apt-get update && \
-    apt-get install -y wget && \
+    apt-get install --no-install-recommends --no-install-suggests -y ca-certificates wget && \
     rm -rf /var/lib/apt/lists/*
 
 # Install yq from the official Docker image
@@ -41,7 +41,7 @@ RUN set -e; \
 FROM ubuntu:24.04 AS python-builder
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv && \
+    apt-get install --no-install-recommends --no-install-suggests -y python3 python3-venv && \
     rm -rf /var/lib/apt/lists/*
 
 RUN python3 -m venv /venv && \