From 962e9cf527daa3b670278d76695d74606f98dcf4 Mon Sep 17 00:00:00 2001
From: Jack Harper <jack.harper@stfc.ac.uk>
Date: Fri, 20 Sep 2024 17:18:25 +0100
Subject: [PATCH 1/3] add containerfile

---
 Containerfile   | 68 +++++++++++++++++++++++++++++++++++++++++++++++++
 next.config.mjs |  1 +
 2 files changed, 69 insertions(+)
 create mode 100644 Containerfile

diff --git a/Containerfile b/Containerfile
new file mode 100644
index 0000000..b60bedc
--- /dev/null
+++ b/Containerfile
@@ -0,0 +1,68 @@
+FROM node:lts-alpine AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+RUN \
+  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm ci; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
+
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Next.js collects completely anonymous telemetry data about general usage.
+# Learn more here: https://nextjs.org/telemetry
+# Uncomment the following line in case you want to disable telemetry during the build.
+# ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN \
+  if [ -f yarn.lock ]; then yarn run build; \
+  elif [ -f package-lock.json ]; then npm run build; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
+
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+# ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+COPY --from=builder /app/public ./public
+
+# Set the correct permission for prerender cache
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+
+# server.js is created by next build from the standalone output
+# https://nextjs.org/docs/pages/api-reference/next-config-js/output
+ENV HOSTNAME="0.0.0.0"
+CMD ["node", "server.js"]
diff --git a/next.config.mjs b/next.config.mjs
index 61cd5ed..cf4b8a5 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -1,6 +1,7 @@
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   reactStrictMode: false,
+  output: "standalone",
 };
 
 export default nextConfig;

From f89fae48fac627c4187853178688e2ea721e2bdc Mon Sep 17 00:00:00 2001
From: Jack Harper <jack.harper@stfc.ac.uk>
Date: Fri, 20 Sep 2024 17:30:04 +0100
Subject: [PATCH 2/3] add docs for container running

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 016eb39..c5a39b4 100644
--- a/README.md
+++ b/README.md
@@ -31,5 +31,9 @@ To start in dev mode, use:
   npm run dev
 ```
 
+#### Container approach
+To run in containerd instead, build the image with `nerdctl build -t web-dashboard .`
+then run with `nerdctl run -p 3000:3000 web-dashboard`
+
 ### Building
 For a production build, run `npm run build`. To start this build natively, use `npm run start`.

From 3514bbd63eaca9145e5285bdca994de0c3eb2b03 Mon Sep 17 00:00:00 2001
From: Jack Harper <jack.harper@stfc.ac.uk>
Date: Mon, 23 Sep 2024 10:42:55 +0100
Subject: [PATCH 3/3] add note about env var passing when running container

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index bbea050..d907f9a 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,9 @@ To start in dev mode, use:
 
 #### Container approach
 To run in containerd instead, build the image with `nerdctl build -t web-dashboard .`
-then run with `nerdctl run -p 3000:3000 web-dashboard`
+then `run` with `nerdctl run -p 3000:3000 web-dashboard`
+
+to pass the WS URL to the container, run with `-e NEXT_PUBLIC_WS_URL=ws://<hostname>:<port>/pvws/pv`
 
 ### Building
 For a production build, run `npm run build`. To start this build natively, use `npm run start`.