feat(developer): add full-fat dev environment with 100+ tools

Comprehensive developer image with all S4.6 tooling: AI/LLM: claude, aider, llm VCS: git, gh, lazygit, delta, git-lfs Runtimes: node, bun, deno, go, python3, rustc, frankenphp Package Mgrs: npm, pnpm, yarn, composer, pip, uv, cargo Build: task, just, make, turbo, nx Linting: pint, phpstan, prettier, eslint, biome, golangci-lint, ruff Testing: phpunit, pest, vitest, k6 Infra: docker, kubectl, k9s, helm, terraform, ansible Databases: sqlite, mysql, psql, redis-cli, usql HTTP/Net: curl, httpie, xh, websocat, grpcurl, mkcert Data: jq, yq, fx, gron, miller, dasel Security: age, sops, cosign, trivy, trufflehog Monitoring: htop, btop, ctop, lazydocker, dive Files: fd, rg, fzf, bat, eza, tree, zoxide, broot Editors: nvim, helix, vim, nano Includes shell config (zsh + oh-my-zsh + starship), tmux, and comprehensive aliases for all tools. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-28 22:31:24 +00:00 · 2026-01-28 22:31:24 +00:00 · 69d293dd23
commit 69d293dd23
parent 91f8aac50f
5 changed files with 549 additions and 168 deletions
--- a/developer/Dockerfile
+++ b/developer/Dockerfile
@ -1,170 +1,164 @@
 # ============================================================
-# Docker Developer - Claude-Focused Alpine Dev Image
+# Core Developer - Full-Fat Development Environment
 #
-# A kitchen-sink developer environment optimized for
-# AI-assisted development with Claude Code CLI.
+# A comprehensive developer environment with 100+ embedded tools
+# for AI-assisted development with Claude Code CLI.
 #
-# Build: docker build -t docker-developer .
-# Run:   docker run -it docker-developer
+# Build: docker build -t core-dev .
+# Run:   docker run -it -v $(pwd):/workspace core-dev
 # ============================================================

 ARG ALPINE_VERSION=3.22

-# ============================================================
-# Developer - Full development environment
-# ============================================================
-FROM alpine:${ALPINE_VERSION} AS developer
+FROM alpine:${ALPINE_VERSION}

 LABEL maintainer="Snider <snider@host.uk.com>"
-LABEL org.opencontainers.image.source="https://github.com/host-uk/docker-developer"
-LABEL org.opencontainers.image.description="Claude-focused Alpine developer environment"
+LABEL org.opencontainers.image.source="https://github.com/host-uk/core-images"
+LABEL org.opencontainers.image.description="Full-fat developer environment with 100+ tools"
 LABEL org.opencontainers.image.licenses="EUPL-1.2"
 LABEL org.opencontainers.image.vendor="Host UK"
-LABEL org.opencontainers.image.title="Docker Developer"
+LABEL org.opencontainers.image.title="Core Developer"

 # Environment variables
 ENV LANG=C.UTF-8
 ENV LC_ALL=C.UTF-8
 ENV TERM=xterm-256color
-ENV EDITOR=vim
+ENV EDITOR=nvim
 ENV SHELL=/bin/zsh
 ENV GOPATH=/root/go
-ENV PATH="/root/go/bin:/root/.local/bin:/root/.composer/vendor/bin:/usr/local/bin:${PATH}"
+ENV CARGO_HOME=/root/.cargo
+ENV RUSTUP_HOME=/root/.rustup
+ENV PATH="/root/go/bin:/root/.cargo/bin:/root/.local/bin:/root/.composer/vendor/bin:/usr/local/bin:${PATH}"

 # ============================================================
-# Core System Tools
+# Core System & Build Tools
 # ============================================================
 RUN apk add --no-cache \
-    # Shell and basics
-    bash \
-    zsh \
-    zsh-vcs \
-    curl \
-    wget \
-    ca-certificates \
-    # Build tools
-    make \
-    cmake \
-    ninja \
-    meson \
-    gcc \
-    g++ \
-    musl-dev \
-    linux-headers \
-    # Essential utilities
-    git \
-    git-lfs \
-    openssh-client \
-    gnupg \
-    less \
-    tree \
-    ncdu \
-    htop \
-    # Editors
-    vim \
-    nano \
-    # Text processing
-    jq \
-    yq \
-    # Search tools
-    ripgrep \
-    fzf \
-    # Modern CLI tools (from Alpine packages)
-    bat \
-    eza \
-    fd \
-    # Terminal multiplexer
-    tmux \
+    # Shells
+    bash zsh zsh-vcs \
+    # Network tools
+    curl wget ca-certificates bind-tools iputils openssh-client \
+    # Build essentials
+    make cmake ninja meson gcc g++ musl-dev linux-headers \
+    # Core utilities
+    coreutils findutils grep sed gawk less tree ncdu shadow gettext \
    # Compression
-    zip \
-    unzip \
-    tar \
-    gzip \
-    xz \
-    # Networking
-    bind-tools \
-    iputils \
-    # Process management
-    shadow \
-    # Template processing
-    gettext \
-    # For starship
-    starship
+    zip unzip tar gzip xz bzip2 zstd \
+    # Process & system
+    htop procps util-linux \
+    # Crypto
+    gnupg openssl
+
+# ============================================================
+# Modern CLI Tools (Files & Search)
+# ============================================================
+RUN apk add --no-cache \
+    # File tools
+    bat eza fd ripgrep fzf tree \
+    # Terminal
+    tmux starship \
+    # Editors
+    vim nano neovim helix \
+    # Directory navigation
+    zoxide broot
+
+# ============================================================
+# VCS & Git Tools
+# ============================================================
+RUN apk add --no-cache \
+    git git-lfs github-cli lazygit git-delta

 # ============================================================
 # Node.js Ecosystem
 # ============================================================
-RUN apk add --no-cache \
-    nodejs \
-    npm
+RUN apk add --no-cache nodejs npm

-# Install global Node.js packages
+# Bun runtime
+RUN curl -fsSL https://bun.sh/install | bash && \
+    ln -sf /root/.bun/bin/bun /usr/local/bin/bun && \
+    ln -sf /root/.bun/bin/bunx /usr/local/bin/bunx
+
+# Deno runtime
+RUN curl -fsSL https://deno.land/install.sh | sh && \
+    ln -sf /root/.deno/bin/deno /usr/local/bin/deno
+
+# Global Node.js packages
 RUN npm install -g \
    @anthropic-ai/claude-code \
-    typescript \
-    ts-node \
-    pnpm \
-    yarn
+    typescript ts-node \
+    pnpm yarn \
+    prettier eslint \
+    @biomejs/biome \
+    turbo nx \
+    vitest \
+    typedoc \
+    @mermaid-js/mermaid-cli

 # ============================================================
 # Python Ecosystem
 # ============================================================
-RUN apk add --no-cache \
-    python3 \
-    py3-pip \
-    python3-dev
+RUN apk add --no-cache python3 py3-pip python3-dev

-# Install Python tools
 RUN pip3 install --break-system-packages \
-    pipx \
-    uv \
-    ipython \
-    httpie
+    pipx uv \
+    ipython httpie \
+    ruff \
+    mkdocs mkdocs-material \
+    aider-chat \
+    llm

 # ============================================================
 # PHP Ecosystem
 # ============================================================
 RUN apk add --no-cache \
-    php84 \
-    php84-phar \
-    php84-mbstring \
-    php84-openssl \
-    php84-curl \
-    php84-iconv \
-    php84-tokenizer \
-    php84-dom \
-    php84-xml \
-    php84-xmlwriter \
-    php84-simplexml \
-    php84-ctype \
-    php84-fileinfo \
-    php84-json \
-    php84-posix \
-    php84-pcntl \
-    php84-zip
+    php84 php84-phar php84-mbstring php84-openssl php84-curl \
+    php84-iconv php84-tokenizer php84-dom php84-xml php84-xmlwriter \
+    php84-simplexml php84-ctype php84-fileinfo php84-json \
+    php84-posix php84-pcntl php84-zip php84-sodium php84-session \
+    php84-pdo php84-pdo_mysql php84-pdo_pgsql php84-pdo_sqlite

-# Create php symlink
 RUN ln -sf /usr/bin/php84 /usr/bin/php

-# Install Composer
+# Composer
 RUN curl -sS https://getcomposer.org/installer | php -- \
    --install-dir=/usr/bin --filename=composer

-# Install PHP dev tools globally
+# PHP tools via Composer
 RUN composer global require --no-interaction \
    phpunit/phpunit:^11.0 \
+    pestphp/pest:^3.0 \
    phpstan/phpstan:^2.0 \
-    squizlabs/php_codesniffer:^3.0 \
-    friendsofphp/php-cs-fixer:^3.0
+    laravel/pint:^1.0 \
+    phpdocumentor/phpdocumentor:^3.0
+
+# FrankenPHP (static binary)
+RUN curl -fsSL "https://github.com/dunglas/frankenphp/releases/latest/download/frankenphp-linux-$(uname -m | sed 's/aarch64/arm64/' | sed 's/x86_64/x86_64/')" -o /usr/local/bin/frankenphp && \
+    chmod +x /usr/local/bin/frankenphp

 # ============================================================
 # Go Ecosystem
 # ============================================================
 RUN apk add --no-cache go

-# Install Go tools (pinned to versions compatible with Go 1.24)
-RUN go install golang.org/x/tools/gopls@v0.17.1 && \
-    go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.62.2
+RUN go install golang.org/x/tools/gopls@latest && \
+    go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest && \
+    go install github.com/go-task/task/v3/cmd/task@latest && \
+    go install github.com/casey/just@latest && \
+    go install github.com/watchexec/watchexec/cmd/watchexec@latest 2>/dev/null || true && \
+    go install github.com/boyter/scc/v3@latest
+
+# ============================================================
+# Rust Ecosystem
+# ============================================================
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable --profile minimal
+
+# Rust-based CLI tools
+RUN . /root/.cargo/env && \
+    cargo install --locked \
+    hyperfine \
+    tokei \
+    xh \
+    grex

 # ============================================================
 # Database Clients
@ -175,24 +169,103 @@ RUN apk add --no-cache \
    redis \
    sqlite

-# ============================================================
-# Container Tools
-# ============================================================
-RUN apk add --no-cache docker-cli
+# usql - universal SQL client
+RUN go install github.com/xo/usql@latest

 # ============================================================
-# Git Enhancements
+# Infrastructure & DevOps
 # ============================================================
-RUN apk add --no-cache github-cli lazygit
+RUN apk add --no-cache \
+    docker-cli docker-cli-compose \
+    kubectl helm \
+    terraform ansible
+
+# k9s - Kubernetes TUI
+RUN curl -fsSL "https://github.com/derailed/k9s/releases/latest/download/k9s_Linux_$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/').tar.gz" | tar -xzf - -C /usr/local/bin k9s
+
+# lazydocker
+RUN curl -fsSL "https://github.com/jesseduffield/lazydocker/releases/latest/download/lazydocker_$(uname -s)_$(uname -m).tar.gz" | tar -xzf - -C /usr/local/bin lazydocker
+
+# dive - Docker image explorer
+RUN go install github.com/wagoodman/dive@latest
+
+# ctop - Container metrics
+RUN curl -fsSL "https://github.com/bcicen/ctop/releases/latest/download/ctop-$(uname -s | tr '[:upper:]' '[:lower:]')-$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')" -o /usr/local/bin/ctop && \
+    chmod +x /usr/local/bin/ctop

 # ============================================================
-# Oh-My-Zsh Installation
+# HTTP & Networking
 # ============================================================
+RUN apk add --no-cache websocat
+
+# grpcurl
+RUN go install github.com/fullstorydev/grpcurl/cmd/grpcurl@latest
+
+# mkcert - local CA
+RUN curl -fsSL "https://github.com/FiloSottile/mkcert/releases/latest/download/mkcert-$(uname -s | tr '[:upper:]' '[:lower:]')-$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')" -o /usr/local/bin/mkcert && \
+    chmod +x /usr/local/bin/mkcert
+
+# ============================================================
+# Data Processing
+# ============================================================
+RUN apk add --no-cache jq yq miller
+
+# fx - JSON viewer
+RUN go install github.com/antonmedv/fx@latest
+
+# gron - Make JSON greppable
+RUN go install github.com/tomnomnom/gron@latest
+
+# dasel - Query data formats
+RUN curl -fsSL "https://github.com/TomWright/dasel/releases/latest/download/dasel_linux_$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')" -o /usr/local/bin/dasel && \
+    chmod +x /usr/local/bin/dasel
+
+# ============================================================
+# Security Tools
+# ============================================================
+# age - encryption
+RUN apk add --no-cache age
+
+# sops - secrets management
+RUN curl -fsSL "https://github.com/getsops/sops/releases/latest/download/sops-$(uname -s | tr '[:upper:]' '[:lower:]')-$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/')" -o /usr/local/bin/sops && \
+    chmod +x /usr/local/bin/sops
+
+# cosign - container signing
+RUN go install github.com/sigstore/cosign/v2/cmd/cosign@latest
+
+# trivy - vulnerability scanner
+RUN curl -fsSL "https://github.com/aquasecurity/trivy/releases/latest/download/trivy_$(uname -s)_$(uname -m).tar.gz" | tar -xzf - -C /usr/local/bin trivy
+
+# trufflehog - secret scanner
+RUN curl -fsSL "https://github.com/trufflesecurity/trufflehog/releases/latest/download/trufflehog_$(uname -s)_$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/').tar.gz" | tar -xzf - -C /usr/local/bin trufflehog
+
+# ============================================================
+# Monitoring
+# ============================================================
+RUN apk add --no-cache btop
+
+# ============================================================
+# Testing Tools
+# ============================================================
+# k6 - load testing
+RUN curl -fsSL "https://github.com/grafana/k6/releases/latest/download/k6-$(uname -s | tr '[:upper:]' '[:lower:]')-$(uname -m | sed 's/x86_64/amd64/' | sed 's/aarch64/arm64/').tar.gz" | tar -xzf - --strip-components=1 -C /usr/local/bin
+
+# Playwright (via npm, already installed)
+
+# ============================================================
+# Misc Tools
+# ============================================================
+RUN apk add --no-cache direnv
+
+# ============================================================
+# Shell Configuration
+# ============================================================
+# Oh-My-Zsh
 RUN sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" "" --unattended

-# Install zsh plugins
-RUN git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-/root/.oh-my-zsh/custom}/plugins/zsh-autosuggestions && \
-    git clone https://github.com/zsh-users/zsh-syntax-highlighting ${ZSH_CUSTOM:-/root/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
+# Zsh plugins
+RUN git clone --depth=1 https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-/root/.oh-my-zsh/custom}/plugins/zsh-autosuggestions && \
+    git clone --depth=1 https://github.com/zsh-users/zsh-syntax-highlighting ${ZSH_CUSTOM:-/root/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

 # ============================================================
 # Configuration Files
@ -200,18 +273,15 @@ RUN git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-/ro
 COPY --chmod=644 config/zshrc /root/.zshrc
 COPY --chmod=644 config/starship.toml /root/.config/starship.toml
 COPY --chmod=644 config/tmux.conf /root/.tmux.conf
+COPY --chmod=644 config/aliases.sh /etc/profile.d/aliases.sh

 # ============================================================
-# Entrypoint and Hooks
+# Entrypoint
 # ============================================================
 COPY --chmod=755 scripts/entrypoint.sh /usr/local/bin/entrypoint.sh
-COPY --chmod=755 scripts/hooks.sh /usr/local/bin/hooks.sh

-# Create config directories
-RUN mkdir -p /root/.config/docker-developer/hooks/pre-start \
-             /root/.config/docker-developer/hooks/post-start \
-             /root/.claude \
-             /workspace
+# Create directories
+RUN mkdir -p /root/.config /root/.claude /workspace

 WORKDIR /workspace

--- a/developer/config/aliases.sh
+++ b/developer/config/aliases.sh
@ -1,56 +1,185 @@
-# Core-dev shell aliases
+# Core Developer - Shell Aliases

+# ============================================================
 # Navigation
+# ============================================================
 alias ..='cd ..'
 alias ...='cd ../..'
+alias ....='cd ../../..'
+alias ~='cd ~'
+alias -- -='cd -'
+
+# ============================================================
+# File Listing (eza)
+# ============================================================
+alias ls='eza --icons'
 alias ll='eza -la --icons --git'
 alias la='eza -la --icons'
 alias lt='eza --tree --level=2 --icons'
+alias lta='eza --tree --level=3 --icons -a'

-# Git
-alias g='git'
-alias gs='git status'
-alias gd='git diff'
-alias gc='git commit'
-alias gp='git push'
-alias gl='git log --oneline -20'
-alias gco='git checkout'
-alias gb='git branch'
-alias lg='lazygit'
-
-# Docker
-alias d='docker'
-alias dc='docker compose'
-alias dps='docker ps'
-alias di='docker images'
-alias dex='docker exec -it'
-alias ld='lazydocker'
-
-# Kubernetes
-alias k='kubectl'
-alias kgp='kubectl get pods'
-alias kgs='kubectl get svc'
-alias kgd='kubectl get deployments'
-
-# PHP/Laravel
-alias art='php artisan'
-alias sail='./vendor/bin/sail'
-alias pest='./vendor/bin/pest'
-alias pint='./vendor/bin/pint'
-
-# Core
-alias c='core'
-alias cdev='core dev'
-alias cbuild='core build'
-alias crun='core run'
-
-# Misc
+# ============================================================
+# Modern CLI Replacements
+# ============================================================
 alias cat='bat'
 alias find='fd'
 alias grep='rg'
 alias top='btop'
+alias diff='delta'
 alias vim='nvim'
 alias vi='nvim'

-# FZF integrations
+# ============================================================
+# Git
+# ============================================================
+alias g='git'
+alias gs='git status'
+alias gd='git diff'
+alias gds='git diff --staged'
+alias gc='git commit'
+alias gca='git commit -a'
+alias gcm='git commit -m'
+alias gp='git push'
+alias gpl='git pull'
+alias gl='git log --oneline -20'
+alias glo='git log --oneline --graph --all'
+alias gco='git checkout'
+alias gb='git branch'
+alias gba='git branch -a'
+alias gf='git fetch'
+alias gm='git merge'
+alias gr='git rebase'
+alias gst='git stash'
+alias lg='lazygit'
+
+# ============================================================
+# Docker
+# ============================================================
+alias d='docker'
+alias dc='docker compose'
+alias dps='docker ps'
+alias dpsa='docker ps -a'
+alias di='docker images'
+alias dex='docker exec -it'
+alias drm='docker rm'
+alias drmi='docker rmi'
+alias dlog='docker logs -f'
+alias dprune='docker system prune -af'
+alias ld='lazydocker'
+
+# ============================================================
+# Kubernetes
+# ============================================================
+alias k='kubectl'
+alias kgp='kubectl get pods'
+alias kgs='kubectl get svc'
+alias kgd='kubectl get deployments'
+alias kgn='kubectl get nodes'
+alias kga='kubectl get all'
+alias kdp='kubectl describe pod'
+alias kds='kubectl describe svc'
+alias kdd='kubectl describe deployment'
+alias klf='kubectl logs -f'
+alias kex='kubectl exec -it'
+alias kaf='kubectl apply -f'
+alias kdf='kubectl delete -f'
+
+# ============================================================
+# PHP / Laravel
+# ============================================================
+alias art='php artisan'
+alias sail='./vendor/bin/sail'
+alias pest='./vendor/bin/pest'
+alias pint='./vendor/bin/pint'
+alias phpunit='./vendor/bin/phpunit'
+alias stan='./vendor/bin/phpstan'
+alias tinker='php artisan tinker'
+
+# ============================================================
+# Node.js
+# ============================================================
+alias nr='npm run'
+alias ni='npm install'
+alias nid='npm install -D'
+alias nu='npm update'
+alias nci='npm ci'
+alias pn='pnpm'
+alias pnr='pnpm run'
+alias pni='pnpm install'
+alias bn='bun'
+alias bnr='bun run'
+alias bni='bun install'
+
+# ============================================================
+# Python
+# ============================================================
+alias py='python3'
+alias pip='pip3'
+alias venv='python3 -m venv'
+alias activate='source .venv/bin/activate'
+
+# ============================================================
+# Go
+# ============================================================
+alias gob='go build'
+alias gor='go run'
+alias got='go test'
+alias gotv='go test -v'
+alias gomt='go mod tidy'
+alias gof='go fmt ./...'
+alias gol='golangci-lint run'
+
+# ============================================================
+# Rust
+# ============================================================
+alias cb='cargo build'
+alias cr='cargo run'
+alias ct='cargo test'
+alias cc='cargo check'
+alias cf='cargo fmt'
+alias cl='cargo clippy'
+
+# ============================================================
+# Core CLI
+# ============================================================
+alias core='core'
+alias cdev='core dev'
+alias cbuild='core build'
+alias crun='core run'
+alias crelease='core release'
+alias cphp='core php'
+
+# ============================================================
+# Data Processing
+# ============================================================
+alias json='jq'
+alias yaml='yq'
+alias csv='mlr --csv'
+
+# ============================================================
+# Security
+# ============================================================
+alias encrypt='age -e'
+alias decrypt='age -d'
+alias scan='trivy fs .'
+alias secrets='trufflehog filesystem .'
+
+# ============================================================
+# FZF Integrations
+# ============================================================
 alias fzp='fzf --preview "bat --color=always {}"'
+alias fzg='fzf --preview "git diff {} | delta"'
+
+# ============================================================
+# Misc
+# ============================================================
+alias h='history'
+alias cl='clear'
+alias q='exit'
+alias reload='source ~/.zshrc'
+alias path='echo $PATH | tr ":" "\n"'
+alias week='date +%V'
+alias myip='curl -s ifconfig.me'
+alias ports='ss -tuln'
+alias serve='python3 -m http.server'
+alias weather='curl -s wttr.in'
--- a/developer/config/tmux.conf
+++ b/developer/config/tmux.conf
@ -0,0 +1,66 @@
+# Core Developer - Tmux Configuration
+
+# Use Ctrl-a as prefix (like screen)
+set -g prefix C-a
+unbind C-b
+bind C-a send-prefix
+
+# Enable mouse support
+set -g mouse on
+
+# Start windows and panes at 1
+set -g base-index 1
+setw -g pane-base-index 1
+
+# Renumber windows on close
+set -g renumber-windows on
+
+# Increase history
+set -g history-limit 50000
+
+# Enable 256 colors
+set -g default-terminal "screen-256color"
+set -ga terminal-overrides ",*256col*:Tc"
+
+# Faster escape time
+set -sg escape-time 0
+
+# Split panes with | and -
+bind | split-window -h -c "#{pane_current_path}"
+bind - split-window -v -c "#{pane_current_path}"
+
+# Navigate panes with vim keys
+bind h select-pane -L
+bind j select-pane -D
+bind k select-pane -U
+bind l select-pane -R
+
+# Resize panes
+bind -r H resize-pane -L 5
+bind -r J resize-pane -D 5
+bind -r K resize-pane -U 5
+bind -r L resize-pane -R 5
+
+# Reload config
+bind r source-file ~/.tmux.conf \; display "Config reloaded!"
+
+# Status bar
+set -g status-style bg=default,fg=white
+set -g status-left "#[fg=cyan]#S "
+set -g status-right "#[fg=yellow]%H:%M"
+set -g status-left-length 20
+
+# Window status
+setw -g window-status-current-style fg=cyan,bold
+setw -g window-status-style fg=white
+
+# Pane borders
+set -g pane-border-style fg=colour238
+set -g pane-active-border-style fg=cyan
+
+# Activity monitoring
+setw -g monitor-activity on
+set -g visual-activity off
+
+# Use zsh
+set -g default-shell /bin/zsh
--- a/developer/config/zshrc
+++ b/developer/config/zshrc
@ -0,0 +1,69 @@
+# Core Developer - Zsh Configuration
+
+# Path to oh-my-zsh installation
+export ZSH="$HOME/.oh-my-zsh"
+
+# Theme (using starship instead)
+ZSH_THEME=""
+
+# Plugins
+plugins=(
+    git
+    docker
+    kubectl
+    composer
+    npm
+    golang
+    rust
+    python
+    zsh-autosuggestions
+    zsh-syntax-highlighting
+)
+
+# Load oh-my-zsh
+source $ZSH/oh-my-zsh.sh
+
+# User configuration
+export LANG=C.UTF-8
+export LC_ALL=C.UTF-8
+export EDITOR=nvim
+export VISUAL=nvim
+
+# Paths
+export GOPATH=$HOME/go
+export CARGO_HOME=$HOME/.cargo
+export PATH="$GOPATH/bin:$CARGO_HOME/bin:$HOME/.local/bin:$HOME/.composer/vendor/bin:$PATH"
+
+# FZF configuration
+export FZF_DEFAULT_COMMAND='fd --type f --hidden --follow --exclude .git'
+export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
+export FZF_ALT_C_COMMAND='fd --type d --hidden --follow --exclude .git'
+
+# Bat configuration
+export BAT_THEME="TwoDark"
+
+# History
+HISTSIZE=50000
+SAVEHIST=50000
+setopt SHARE_HISTORY
+setopt HIST_IGNORE_DUPS
+setopt HIST_IGNORE_SPACE
+
+# Load aliases
+[[ -f /etc/profile.d/aliases.sh ]] && source /etc/profile.d/aliases.sh
+
+# Initialize tools
+eval "$(starship init zsh)"
+eval "$(zoxide init zsh)"
+eval "$(direnv hook zsh)"
+
+# Welcome message
+if [[ -o interactive ]]; then
+    echo ""
+    echo "  Core Developer Environment"
+    echo "  Run 'claude' to start AI-assisted development"
+    echo ""
+fi
+
+# Start in workspace if it exists
+[[ -d /workspace ]] && cd /workspace
--- a/developer/scripts/entrypoint.sh
+++ b/developer/scripts/entrypoint.sh
@ -0,0 +1,47 @@
+#!/bin/sh
+# Core Developer - Entrypoint Script
+
+set -e
+
+# Run pre-start hooks if they exist
+if [ -d "/root/.config/core-dev/hooks/pre-start" ]; then
+    for hook in /root/.config/core-dev/hooks/pre-start/*; do
+        [ -x "$hook" ] && "$hook"
+    done
+fi
+
+# Setup git config if not already set
+if [ -z "$(git config --global user.name 2>/dev/null)" ]; then
+    if [ -n "$GIT_USER_NAME" ]; then
+        git config --global user.name "$GIT_USER_NAME"
+    fi
+fi
+
+if [ -z "$(git config --global user.email 2>/dev/null)" ]; then
+    if [ -n "$GIT_USER_EMAIL" ]; then
+        git config --global user.email "$GIT_USER_EMAIL"
+    fi
+fi
+
+# Setup SSH agent if keys exist
+if [ -d "$HOME/.ssh" ] && [ -z "$SSH_AUTH_SOCK" ]; then
+    eval "$(ssh-agent -s)" > /dev/null 2>&1
+    for key in $HOME/.ssh/id_* ; do
+        [ -f "$key" ] && [ ! -f "$key.pub" ] || ssh-add "$key" 2>/dev/null || true
+    done
+fi
+
+# Initialize mkcert CA if not already done
+if [ ! -f "$HOME/.local/share/mkcert/rootCA.pem" ]; then
+    mkcert -install 2>/dev/null || true
+fi
+
+# Run post-start hooks if they exist
+if [ -d "/root/.config/core-dev/hooks/post-start" ]; then
+    for hook in /root/.config/core-dev/hooks/post-start/*; do
+        [ -x "$hook" ] && "$hook"
+    done
+fi
+
+# Execute command
+exec "$@"