Install the nano editor in all images

Makefile

@@ -97,6 +97,7 @@ _testcase-t3code:
 .PHONY: _testcase-common
 _testcase-common:
 	$(TEST_RUN) tmux -V
+	$(TEST_RUN) nano --version
 	$(TEST_RUN) agent-browser --version
 	$(TEST_RUN) gh --version
 	$(TEST_RUN) glab --version

README.md

@@ -132,7 +132,7 @@ daemon automatically. The host must permit nested user namespaces — in a Coder
 run the workspace container with `privileged = true` (or the equivalent `--userns` setup), and call
 `dockerd-rootless-start` from `startup_script` so Docker is ready on boot.
 
-Both variables are defaults. If `DOCKER_HOST` is already set, the image and the script keep that
+Both variables are defaults. If `DOCKER_HOST` is already set, the profile and the script keep that
 value. The script starts no daemon if one answers there.
 
 ## Development

fx/Dockerfile

@@ -20,11 +20,6 @@ ENV GOROOT=/usr/local/go
 ENV GOPATH=/home/coder/go
 ENV PATH=$GOROOT/bin:$GOPATH/bin:$PATH
 
-# Rootless Docker (docker-in-docker without privileged root).
-# Defaults. The environment can override them.
-ENV XDG_RUNTIME_DIR=/run/user/1000
-ENV DOCKER_HOST=unix:///run/user/1000/docker.sock
-
 # T3 Code: opt out of telemetry by default
 ENV T3CODE_TELEMETRY_ENABLED=false
 
@@ -50,7 +45,7 @@ RUN \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
-        git jq ripgrep tmux \
+        git jq ripgrep tmux nano \
         # Node
         nodejs \
         # PHP

golang/Dockerfile

@@ -31,7 +31,7 @@ RUN \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
-        git jq ripgrep tmux nodejs gh \
+        git jq ripgrep tmux nano nodejs gh \
         # Chrome libs (agent-browser)
         libnspr4 libnss3 libatk-bridge2.0-0 libdrm2 libxkbcommon0 libatspi2.0-0 \
         libcups2t64 libxshmfence1 libgbm1 libpango-1.0-0 libpangocairo-1.0-0 \

nodejs/Dockerfile

@@ -31,7 +31,7 @@ RUN \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
-        git jq ripgrep tmux nodejs gh \
+        git jq ripgrep tmux nano nodejs gh \
         # Chrome libs (agent-browser)
         libnspr4 libnss3 libatk-bridge2.0-0 libdrm2 libxkbcommon0 libatspi2.0-0 \
         libcups2t64 libxshmfence1 libgbm1 libpango-1.0-0 libpangocairo-1.0-0 \

php/Dockerfile

@@ -28,7 +28,7 @@ RUN \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
-        git jq ripgrep tmux nodejs \
+        git jq ripgrep tmux nano nodejs \
         # PHP
         php8.5-cli php8.5-common php8.5-curl php8.5-gd php8.5-intl \
         php8.5-mailparse php8.5-mbstring php8.5-mysql php8.5-pgsql php8.5-phpdbg \

python/Dockerfile

@@ -27,7 +27,7 @@ RUN \
     apt-get update && \
     apt-get dist-upgrade -y && \
     apt-get install -y --no-install-recommends \
-        git jq ripgrep tmux nodejs gh \
+        git jq ripgrep tmux nano nodejs gh \
         # Python
         python3 python3-pip python3-venv \
         # Chrome libs (agent-browser)