Uploading first set of base images

.gitea/workflows/build-and-push.yml

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+name: Build and Push Dev Containers
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: docker
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to local registry
+        run: echo "${{ secrets.LOCAL_REGISTRY_PASSWORD }}" | docker login ${ secrets.CONTAINER_REGISTRY } -u user --password-stdin
+
+      - name: Build and push containers
+        run: |
+          for dir in base lab python rust go nodejs; do
+            tag="${ secrets.CONTAINER_REGISTRY }/base-images/$dir:latest"
+            docker build -t "$tag" "$dir"
+            docker push "$tag"
+          done

base/Dockerfile

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+FROM alpine:latest
+
+RUN apk add --no-cache \
+    bash \
+    curl \
+    helix
+
+CMD [ "/bin/bash" ]

go/Dockerfile

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+FROM base:latest
+
+RUN apk add --no-cache \
+    go

lab/Dockerfile

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+FROM alpine:latest
+
+# Install core utilities and development tools
+RUN apk add --no-cache \
+    bash \
+    curl \
+    git \
+    jq \
+    helix \
+    openssh \
+    sudo \
+    zsh \
+    ca-certificates \
+    busybox-extras \
+    net-tools \
+    iputils \
+    python3 \
+    rust \
+    cargo \
+    go \
+    nodejs \
+    npm \
+    make \
+    build-base
+
+# Add a non-root user
+RUN adduser -D dev && echo "dev ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
+RUN chsh -s /bin/zsh dev
+
+# Set working directory
+WORKDIR /home/dev
+
+# Switch to non-root user
+USER dev
+
+# Default command
+CMD ["/bin/zsh"]

nodejs/Dockerfile

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+FROM base:latest
+
+RUN apk add --no-cache \
+    nodejs \
+    pnpm

python/Dockerfile

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+FROM base:latest
+
+RUN apk add --no-cache \
+    python3 \
+    py3-pip

rust/Dockerfile

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+FROM base:latest
+
+RUN apk add --no-cache \
+    rust \
+    cargo