feat: docker configuration

.dockerignore

@@ -0,0 +1,4 @@
+dist
+node_modules
+README.md
+.vscode

Dockerfile

@@ -0,0 +1,27 @@
+############################
+# Docker build environment #
+############################
+
+FROM node:18.16.1-bookworm AS build
+
+WORKDIR /build
+
+COPY . .
+
+RUN npm i
+RUN npm run build
+
+############################
+# Docker final environment #
+############################
+
+FROM caddy:2.7.4-alpine
+
+EXPOSE 80
+WORKDIR /var/www/html
+
+COPY --from=build /build/dist/public-pool-ui .
+COPY docker/Caddyfile.tpl /etc/Caddyfile.tpl
+COPY docker/entrypoint.sh /entrypoint.sh
+
+CMD ["/bin/sh", "/entrypoint.sh"]

README.md

@@ -37,3 +37,17 @@ Install pm2 (https://pm2.keymetrics.io/)
 ```bash
 $ pm2 serve --spa dist/public-pool-ui/ 3335 --name ui
 ```
+
+## Docker
+
+```bash
+$ docker build -t public-pool-ui .
+$ docker run --name public-pool-ui --rm -p 8080:80 public-pool-ui
+```
+
+From Docker commands, website will be accessible on [http://localhost:8080](http://localhost:8080). By default Caddy server listen on port 80, but we bind it to port 8080 which allows you to launch image without root permissions.
+
+Available variables:
+* `DOMAIN`: website domain (default: `localhost`)
+* `LOGLEVEL`: loglevel in stdout (default: `INFO`)
+* `LOGFORMAT`: log format in stdout (default: `json`)

docker/Caddyfile.tpl

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+http://%%DOMAIN%% {
+    root * /var/www/html
+    file_server
+
+    log {
+        output stdout
+        format %%LOGFORMAT%%
+        level %%LOGLEVEL%%
+    }
+}

docker/entrypoint.sh

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+#!/bin/sh
+
+if [ ! -e "/etc/Caddyfile" ]; then
+    sed -i "s#%%DOMAIN%%#${DOMAIN:-localhost}#g" /etc/Caddyfile.tpl
+    sed -i "s#%%LOGLEVEL%%#${LOGLEVEL:-INFO}#g" /etc/Caddyfile.tpl
+    sed -i "s#%%LOGFORMAT%%#${LOGFORMAT:-json}#g" /etc/Caddyfile.tpl
+    mv /etc/Caddyfile.tpl /etc/Caddyfile
+else
+    rm -f /etc/Caddyfile.tpl
+fi
+
+exec caddy run --config /etc/Caddyfile