Adds shell history volume (#29)

Author: sei-jbooz

.devcontainer/Dockerfile

@@ -43,5 +43,27 @@ RUN set -eux; \
 RUN git clone https://github.com/jaggedmountain/k-alias.git /tmp/k-alias && \
     cp /tmp/k-alias/[h,k]* /usr/local/bin
 
+# Configure ZSH History
+RUN mkdir -p "/home/vscode/.history" && touch "/home/vscode/.history/zsh_history" && \
+    chown -R vscode:vscode /home/vscode/.history && \
+    cat >> /home/vscode/.zshrc <<'EOF'
+# Persistent zsh history for devcontainer
+# Use a dedicated history directory (backed by a Docker volume)
+mkdir -p "/home/vscode/.history"
+export HISTFILE="/home/vscode/.history/zsh_history"
+export HISTSIZE=50000      # in-memory commands
+export SAVEHIST=100000     # on-disk commands
+# History behavior options
+setopt APPEND_HISTORY          # append to history file, don't overwrite
+setopt INC_APPEND_HISTORY      # write each command as it's entered
+setopt SHARE_HISTORY           # share history across sessions
+setopt HIST_IGNORE_DUPS        # ignore immediate duplicates
+setopt HIST_IGNORE_ALL_DUPS    # drop older duplicates
+setopt HIST_IGNORE_SPACE       # ignore commands starting with a space
+setopt HIST_REDUCE_BLANKS      # trim extra spaces
+setopt HIST_VERIFY             # don't immediately execute recalled commands
+# DEVCONTAINER ZSH HISTORY END
+EOF
+
 # Switch back to vscode user
 USER vscode

.devcontainer/devcontainer.json

@@ -27,12 +27,18 @@
     "NUGET_PACKAGES": "/home/vscode/.nuget/packages" // this might not be needed. will try removing later.
   },
   "mounts": [
-    "source=crucible-dev-microsoft,target=/home/vscode/.microsoft,type=volume", // persist usersecrets across container rebuilds
-    "source=crucible-dev-data,target=/mnt/data/,type=volume"
+    // crucible repo data
+    "source=crucible-dev-data,target=/mnt/data/,type=volume",
+    // Usersecrets
+    "source=crucible-dev-microsoft,target=/home/vscode/.microsoft,type=volume",
+    // Shell history
+    "source=crucible-dev-shell-history,target=/home/vscode/.history,type=volume"
   ],
   "postCreateCommand": "bash -l .devcontainer/postcreate.sh",
   "postStartCommand": "bash -l .devcontainer/poststart.sh",
-  "forwardPorts": [9003],  // ✅ Added this line for Xdebug
+  "forwardPorts": [
+    9003
+  ], // ✅ Added this line for Xdebug
   "customizations": {
     "vscode": {
       "extensions": [

.devcontainer/postcreate.sh

@@ -10,6 +10,8 @@ scripts/clone-repos.sh
 scripts/add-moodle-mounts.sh
 
 dotnet tool install -g Aspire.Cli
+# Install dotnet-ef globally
+dotnet tool install --global dotnet-ef --version 10
 dotnet dev-certs https --trust
 
 npm config -g set fund false
@@ -30,9 +32,6 @@ else
   echo "No custom CA certificates found in ${CUSTOM_CERT_SOURCE}; skipping copy."
 fi
 
-# Install dotnet-ef globally
-dotnet tool install --global dotnet-ef --version 10
-
 # Welcome message
 cat <<'EOF'