Infra: Build container image for all branches (#5)

* infra: Build images for all branches without the need of tags. Stop using latest tag on container image.

* Fix npm install on docker
There are errors when the branch is not ready to be merged. This is a temporary fix to make the docker image buildable on all branches.

Dockerfile

@@ -2,7 +2,8 @@
 FROM node:20-alpine AS build
 WORKDIR /app
 COPY package*.json ./
-RUN npm ci
+RUN npm install && \
+    npm ci
 COPY . .
 RUN npm run build