MiOSv0.2.0 - System Root FHS Overlay

Author: mios-dev

.devcontainer/Dockerfile

@@ -1,20 +1,23 @@
 FROM fedora:latest
 
-# 1. Install MiOS Toolchain + Upstream Packages
-RUN dnf install -y     just     fastfetch     btop     podman     buildah     skopeo     jq     yq     rsync     git     nodejs     npm     sudo     zsh     findutils     grep     sed     gawk     policycoreutils     && dnf clean all
+# 1. Install MiOS Toolchain + System Components
+RUN dnf install -y     just     fastfetch     btop     podman     buildah     skopeo     jq     yq     rsync     git     nodejs     npm     sudo     zsh     findutils     grep     sed     gawk     policycoreutils     util-linux     && dnf clean all
 
-# 2. Install Gemini CLI to root
+# 2. Install Gemini CLI to root (standard system path)
 RUN npm install -g @google/gemini-cli
 
 # 3. Setup MiOS Development User
-RUN useradd -m -s /usr/bin/zsh mios-dev &&     echo "mios-dev ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/mios-dev
+# We use UID 1000 to match common host users for bind-mount permissions
+RUN useradd -m -u 1000 -s /usr/bin/zsh mios-dev &&     echo "mios-dev ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/mios-dev
 
-# 4. Mirror MiOS Pattern: Working Directory is the repository root
-WORKDIR /mios
-USER mios-dev
-
-# 5. Environment Metadata
+# 4. Environment Metadata
 ENV MIOS_DEVCONTAINER=1
 ENV MIOS_VERSION=0.2.0
 
+# 5. Prepare system for overlay concept
+# Create mount points if they do not exist
+RUN mkdir -p /mios /srv /var/home /usr/local
+
+WORKDIR /mios
+USER mios-dev
 CMD ["/usr/bin/zsh"]

.devcontainer/devcontainer.json

@@ -1,5 +1,5 @@
 {
-  "name": "MiOS Development Environment",
+  "name": "MiOS System Root Dev (v0.2.0)",
   "build": {
     "dockerfile": "Dockerfile",
     "context": ".."
@@ -29,5 +29,6 @@
   "workspaceFolder": "/mios",
   "mounts": [
     "source=${localWorkspaceFolder},target=/mios,type=bind,consistency=cached"
-  ]
+  ],
+  "postCreateCommand": "sudo /usr/bin/zsh -c \"echo \\"Applying MiOS FHS Symlink Overlay...\\"; ln -sf /mios/.git /.git; for dir in etc usr var srv home; do if [ -d /mios/\$dir ]; then echo \\"  Merging /mios/\$dir -> /\$dir\\"; cp -as /mios/\$dir/* /\$dir/ 2>/dev/null || true; fi; done; echo \\"\\u2713 MiOS Root Overlay Active\\"\""
 }