#2 - Docker building for older glibc

compose.yaml

@@ -24,13 +24,37 @@ services:
     depends_on:
       - timescaledb
 
-  zone-server:
-    build: .
+  # The zone server is not containerised yet: it needs libpqxx >= 7.7 for
+  # pqxx::params and jammy carries 6.4.
+
+  # ── e2e harness ────────────────────────────────────────────────────────────
+  # Opt in with `--profile e2e`, so a plain `docker compose up` still brings up
+  # the database and dashboards on their own.
+  #
+  #   docker compose --profile e2e up --build \
+  #       --abort-on-container-exit --exit-code-from chat-mock-client
+  chat-server:
+    profiles: [e2e]
+    build:
+      context: .
+      dockerfile: docker/Dockerfile
+      target: chat-server
     ports:
-      - "8101:8101/udp"
-      - "8102:8102/udp"
+      - "8099:8099/udp"
+
+  chat-mock-client:
+    profiles: [e2e]
+    build:
+      context: .
+      dockerfile: docker/Dockerfile
+      target: chat-mock-client
+    # Address.hpp parses peers with inet_addr, which takes literal IPv4 only and
+    # never consults DNS, so a service name is not addressable. Sharing the
+    # server's network namespace makes its default 127.0.0.1 land on the server.
+    network_mode: "service:chat-server"
     depends_on:
-      - timescaledb
+      - chat-server
+    command: ["--channel", "1"]
 
 volumes:
   timescaledb_data: