docker: support changin httpd port with env var

Signed-off-by: Jakub Sokołowski <jakub@status.im>

Dockerfile

@@ -12,5 +12,7 @@ RUN yarn build
 FROM lipanski/docker-static-website:latest
 COPY --from=builder /app/dist .
 COPY httpd.conf .
-EXPOSE 3000
+ARG PORT=3000
-CMD ["/busybox", "httpd", "-f", "-v", "-p", "3000", "-c", "httpd.conf"]
+EXPOSE ${PORT}
+ENTRYPOINT ["/busybox", "httpd"]
+CMD ["-f", "-v", "-p", "${PORT}", "-c", "httpd.conf"]

docker-compose.yml

@@ -7,9 +7,14 @@ services:
     container_name: terminal
     restart: unless-stopped
     ports:
-      - 3000:3000
+      - '0.0.0.0:${PORT:-3000}:${PORT:-3000}'
+    command: >
+      -f
+      -v
+      -p ${PORT:-3000}
+      -c httpd.conf
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:80"]
+      test: ["CMD", "curl", "-f", "http://localhost:${PORT:-3000}"]
       interval: 200s
       timeout: 200s
       retries: 5