fix: Remove EXPOSE and port comments from Dockerfiles

EXPOSE is purely documentation and has no effect in Kubernetes.
Removing it and the associated comments to avoid confusion since
the actual port is controlled by the PORT env var at runtime.

Signed-off-by: Hai Huang <hai@us.ibm.com>
Assisted-By: Claude (Anthropic AI) <noreply@anthropic.com>
Signed-off-by: Hai Huang <huang195@gmail.com>

Author: huang195

a2a/cheerup_agent/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/file_organizer/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/git_issue_agent/Dockerfile

@@ -12,7 +12,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/image_service/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/recipe_agent/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/reservation_service/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/slack_researcher/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/trivia_agent/Dockerfile

@@ -11,7 +11,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]

a2a/weather_service/Dockerfile

@@ -14,7 +14,4 @@ ENV PRODUCTION_MODE=True \
 RUN chown -R 1001:1001 /app
 USER 1001
 
-# Default port 8000; override with PORT env var.
-# The kagenti operator sets PORT during proxy-sidecar port-stealing.
-EXPOSE 8000
 CMD ["uv", "run", "--no-sync", "server"]