diff --git a/installer/construct.yaml b/installer/construct.yaml
deleted file mode 100644
index 440640b..0000000
--- a/installer/construct.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: TheLittlestJupyterHub
-version: 0.1
-
-channels:
-    - http://repo.continuum.io/pkgs/free/
-    - https://conda.anaconda.org/conda-forge
-
-conda_default_channels:
-    - http://repo.continuum.io/pkgs/free/
-    - https://conda.anaconda.org/conda-forge
-
-specs:
-    - python 3.6
-    - conda
-
-post_install: post-install.bash
diff --git a/installer/install.bash b/installer/install.bash
new file mode 100755
index 0000000..654ad6d
--- /dev/null
+++ b/installer/install.bash
@@ -0,0 +1,42 @@
+#!/usr/bin/bash
+set -exuo pipefail
+
+# Set up defaults for configurable env vars
+TLJH_INSTALL_PREFIX=${TLJH_INSTALL_PREFIX:-/opt/tljh}
+TLJH_INSTALL_PIP_SPEC=${TLJH_INSTALL_SPEC:-git+https://github.com/yuvipanda/the-littlest-jupyterhub.git}
+TLJH_INSTALL_PIP_FLAGS=${TLJH_PIP_FLAGS:---no-cache-dir}
+
+
+function install_miniconda {
+    CONDA_DIR=${1}
+    CONDA_VERSION=4.5.4
+    URL="https://repo.continuum.io/miniconda/Miniconda3-${CONDA_VERSION}-Linux-x86_64.sh"
+    INSTALLER_PATH=/tmp/miniconda-installer.sh
+
+    wget $URL -O ${INSTALLER_PATH}
+    chmod +x ${INSTALLER_PATH}
+
+    # Only MD5 checksums are available for miniconda
+    # Can be obtained from https://repo.continuum.io/miniconda/
+    MD5SUM="a946ea1d0c4a642ddf0c3a26a18bb16d"
+
+    if ! echo "${MD5SUM}  ${INSTALLER_PATH}" | md5sum  --quiet -c -; then
+        echo "md5sum mismatch for ${INSTALLER_PATH}, exiting!"
+        exit 1
+    fi
+
+    bash ${INSTALLER_PATH} -b -p ${CONDA_DIR}
+
+    # Allow easy direct installs from conda forge
+    ${CONDA_DIR}/bin/conda config --system --add channels conda-forge
+
+    # Do not attempt to auto update conda or dependencies
+    ${CONDA_DIR}/bin/conda config --system --set auto_update_conda false
+    ${CONDA_DIR}/bin/conda config --system --set show_channel_urls true
+}
+
+HUB_CONDA_DIR=${TLJH_INSTALL_PREFIX}/hub
+install_miniconda ${HUB_CONDA_DIR}
+${HUB_CONDA_DIR}/bin/pip install ${TLJH_INSTALL_PIP_FLAGS} ${TLJH_INSTALL_PIP_SPEC}
+
+${HUB_CONDA_DIR}/bin/python3 -m tljh.installer
diff --git a/installer/post-install.bash b/installer/post-install.bash
deleted file mode 100755
index 7464118..0000000
--- a/installer/post-install.bash
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/usr/bin/bash
-set -euo pipefail
-
-# Run by the installer after the hub environment has been set up.
-
-export PATH=${PREFIX}/bin:$PATH
-
-pip install --no-cache-dir git+https://github.com/yuvipanda/the-littlest-jupyterhub.git
-
-python3 -m tljh.installer