use a dockerfile for local development

Dockerfile

@@ -1,12 +1,7 @@
 # Use the specified image
 # this had trouble with the `yarn install`
-# FROM mcr.microsoft.com/devcontainers/typescript-node:1-18-bullseye
-# FROM node:18.15.0-alpine
 FROM node:18.15.0-bullseye-slim
 
-# codespaces automatically clones the repo into /workspaces/<repo-name>
-# WORKDIR /app
-
 # necessary for some of the npm packages
 RUN apt-get update && apt-get install -y \
     python3 \
@@ -20,14 +15,13 @@ RUN apt-get update && apt-get install -y apt-transport-https ca-certificates cur
     apt-get update && \
     apt-get -y install doppler
 
-# codespaces automatically clones the repo into /workspaces/<repo-name>
-# COPY package.json yarn.lock ./
-
-# codespaces automatically clones the repo into /workspaces/<repo-name>
+COPY package.json yarn.lock ./
 RUN yarn install --frozen-lockfile
 
 # Copy the rest of the project files into the working directory
-# COPY . .
+COPY . .
 
 # Expose the port your app runs on
-EXPOSE 3000
+EXPOSE 3000
+
+CMD ["yarn", "run", "dev"]

devcontainer.Dockerfile

@@ -0,0 +1,33 @@
+# Use the specified image
+# this had trouble with the `yarn install`
+# FROM mcr.microsoft.com/devcontainers/typescript-node:1-18-bullseye
+# FROM node:18.15.0-alpine
+FROM node:18.15.0-bullseye-slim
+
+# codespaces automatically clones the repo into /workspaces/<repo-name>
+# WORKDIR /app
+
+# necessary for some of the npm packages
+RUN apt-get update && apt-get install -y \
+    python3 \
+    make \
+    g++
+
+# https://docs.doppler.com/docs/install-cli
+RUN apt-get update && apt-get install -y apt-transport-https ca-certificates curl gnupg && \
+    curl -sLf --retry 3 --tlsv1.2 --proto "=https" 'https://packages.doppler.com/public/cli/gpg.DE2A7741A397C129.key' | gpg --dearmor -o /usr/share/keyrings/doppler-archive-keyring.gpg && \
+    echo "deb [signed-by=/usr/share/keyrings/doppler-archive-keyring.gpg] https://packages.doppler.com/public/cli/deb/debian any-version main" | tee /etc/apt/sources.list.d/doppler-cli.list && \
+    apt-get update && \
+    apt-get -y install doppler
+
+# codespaces automatically clones the repo into /workspaces/<repo-name>
+# COPY package.json yarn.lock ./
+
+# codespaces automatically clones the repo into /workspaces/<repo-name>
+RUN yarn install --frozen-lockfile
+
+# Copy the rest of the project files into the working directory
+# COPY . .
+
+# Expose the port your app runs on
+EXPOSE 3000