make debugger work

.devcontainer/Dockerfile

@@ -64,6 +64,11 @@ RUN sudo apt update && sudo apt install -y \
 
 RUN sudo locale-gen en_US.UTF-8
 
+RUN sudo apt update && sudo apt install -y \
+    pspg \
+    uncrustify \
+ && sudo apt clean
+
 # bin directory for user tools
 RUN mkdir .bin
 ENV PATH="/home/citus/.bin:${PATH}"
@@ -72,6 +77,7 @@ ENV PATH="/home/citus/.bin:${PATH}"
 RUN git clone https://github.com/citusdata/tools.git citus-tools
 RUN pip3 install -r citus-tools/citus_dev/requirements.txt
 RUN ln -s /home/citus/citus-tools/citus_dev/citus_dev .bin/
+RUN sudo make -C citus-tools/uncrustify install bindir=/usr/local/bin pkgsysconfdir=/usr/local/etc/
 
 # TODO add citus_indent
 
@@ -85,3 +91,8 @@ RUN sudo mkdir /data
 RUN sudo chown citus:citus /data
 
 COPY --chown=citus:citus .psqlrc .
+
+RUN sudo apt update && sudo apt install -y \
+    gdb \
+ && sudo apt clean
+ 

.devcontainer/devcontainer.json

@@ -1,3 +1,8 @@
 {
     "build": { "dockerfile": "Dockerfile" },
-}
+    "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
+    "forwardPorts": [9700],
+    "extensions": [
+        "ms-vscode.cpptools",
+    ],
+}

.vscode/launch.json

@@ -0,0 +1,23 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "cppdbg",
+            "name": "Attach Citus (devcontainer)",
+            "request": "attach",
+            "program": "/home/citus/.pgenv/pgsql/bin/postgres",
+            "processId": "${command:pickProcess}",
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+        },
+    ]
+}