feat: implement workspace runtime selection

internal/template/base_templates.go

@@ -6,7 +6,7 @@ type baseTemplate struct {
 	Content string `json:"-"`
 }
 
-var baseTemplates = []baseTemplate{fedora40WithSSH}
+var baseTemplates = []baseTemplate{fedora40WithSSH, fedora40SSHDocker}
 
 var baseTemplateMap = map[string]baseTemplate{
 	"empty": {
@@ -14,7 +14,8 @@ var baseTemplateMap = map[string]baseTemplate{
 		ID:      "empty",
 		Content: "",
 	},
-	"fedora-40-openssh": fedora40WithSSH,
+	"fedora-40-openssh":        fedora40WithSSH,
+	"fedora-40-openssh-docker": fedora40SSHDocker,
 }
 
 var fedora40WithSSH = baseTemplate{
@@ -22,12 +23,36 @@ var fedora40WithSSH = baseTemplate{
 	ID:   "fedora-40-openssh",
 	Content: `FROM fedora:40
 
+ARG user
+ARG password
+
 RUN dnf install -y openssh-server \
     && mkdir -p /etc/ssh \
     && ssh-keygen -q -N "" -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key \
-    && useradd testuser \
-    && echo "testuser:12345678" | chpasswd
-    && usermod -aG wheel testuser
+    && useradd "$user" \
+    && echo "$user:$password" | chpasswd \
+    && usermod -aG wheel "$user"
+
+CMD ["/usr/sbin/sshd", "-D"]
+`,
+}
+
+var fedora40SSHDocker = baseTemplate{
+	Name: "Fedora 40 + OpenSSH Server + Docker",
+	ID:   "fedora-40-openssh-docker",
+	Content: `FROM fedora:40
+
+ARG user
+ARG password
+
+RUN dnf install -y openssh-server dnf-plugins-core \
+    && dnf-3 config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo \
+    && dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin \
+    && mkdir -p /etc/ssh \
+    && ssh-keygen -q -N "" -t rsa -b 4096 -f /etc/ssh/ssh_host_rsa_key \
+    && useradd "$user" \
+    && echo "$user:$password" | chpasswd \
+    && usermod -aG wheel,docker "$user"
 
 CMD ["/usr/sbin/sshd", "-D"]
 `,