initialize postgres in .devcontainer

.devcontainer/Dockerfile

@@ -1,12 +1,30 @@
-FROM mcr.microsoft.com/vscode/devcontainers/base:debian-10
+FROM mcr.microsoft.com/vscode/devcontainers/universal:1-linux
 
-ENV DENO_INSTALL=/deno
-RUN mkdir -p /deno
-RUN curl -fsSL https://deno.land/x/install/install.sh | sh
+USER root
 
-ENV PATH="${DENO_INSTALL}/bin:${PATH}"
+RUN mkdir -p /deno && \
+    curl -fsSL https://deno.land/x/install/install.sh | DENO_INSTALL=/deno sh && \
+    chown -R codespace /deno
+
+ENV DENO_INSTALL="/deno"
+ENV DENO_DIR="${DENO_INSTALL}/.cache/deno"
+ENV PATH="${PATH}:${DENO_INSTALL}/bin:/usr/lib/postgresql/12/bin"
+ENV PGDATA="/usr/local/pgsql/data"
+
+RUN apt-get update && \
+    apt-get -y install postgresql-12 postgresql-client-12 && \
+    mkdir -p /usr/local/pgsql/data && \
+    chown postgres /usr/local/pgsql/data
+
+USER postgres
+
+ENV DENO_INSTALL="/deno"
 ENV DENO_DIR="${DENO_INSTALL}/.cache/deno"
+ENV PATH="${PATH}:${DENO_INSTALL}/bin:/usr/lib/postgresql/12/bin"
+ENV PGDATA="/usr/local/pgsql/data"
 
-RUN chown -R vscode /deno
+RUN initdb && \
+    pg_ctl start && \
+    createuser -s vscode
 
-ENV EDITOR="code --wait"
+USER codespace

.devcontainer/devcontainer.json

@@ -8,7 +8,6 @@
     "ms-vscode.theme-1337",
     "tyriar.sort-lines"
   ],
-  "remoteUser": "vscode",
   "settings": {
     "deno.codeLens.implementations": true,
     "deno.codeLens.references": true,