Docker move to alpine; moved sub README to servers

Former-commit-id: 15fdb43193

Docker/Dockerfile

@@ -1,13 +1,19 @@
-# 1. A: Use an existing Python image
-FROM python:3.12
+# 1. A: Define a base image
+# FROM python:3.12
+# FROM alpine:3.22.1
+FROM alpine:latest
+# FROM debian:bookworm-slim
 
 # 1. B: Set ENV Variables
+ENV PYTHON_VERSION=3.12
+ENV JAVA_VERSION=22.0.2
+
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
+ENV PYENV_ROOT="/opt/pyenv"
+
+ENV PATH="${PYENV_ROOT}/bin:${PYENV_ROOT}/shims:${PATH}"
 
-ENV NODE_VERSION=24.9.0
-ENV NVM_DIR=/root/.nvm
-ENV PATH="/root/.nvm/versions/node/v${NODE_VERSION}/bin/:${PATH}"
 
 # 2. Set the working directory inside the container
 WORKDIR /app
@@ -17,20 +23,72 @@ COPY requirements.txt .
 COPY package.json .
 COPY src/* .
 
-# 4. A: Install the dependencies
-RUN apt update
-RUN apt install -y curl libgirepository1.0-dev
+# 4. A: Install dependencies
+# RUN apt update
+# RUN apt install -y pkg-config curl clang gopls git libgirepository1.0-dev libssl-dev libcairo2-dev
+
+RUN apk update
+RUN apk add --no-cache \
+    nodejs \
+    npm \
+    bash \
+    bash-completion \
+    curl \
+    clang \
+    pkgconf \
+    make \
+    git \
+    gopls \
+    linux-headers \
+    build-base \
+    openssh \
+    tzdata \
+    openssl-dev \
+    bzip2-dev \
+    zlib-dev \
+    xz-dev \
+    sqlite-dev \
+    readline-dev \
+    libffi-dev \
+    gdbm-dev \
+    gobject-introspection-dev \
+    cairo-dev
+
+RUN curl -fsSL https://pyenv.run | bash
+RUN pyenv install ${PYTHON_VERSION} && pyenv global ${PYTHON_VERSION} && pyenv local ${PYTHON_VERSION}
 RUN pip install --no-cache-dir -r requirements.txt
 
 # 4. B: Install nvm and node
-RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
-RUN . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION}
-RUN . "$NVM_DIR/nvm.sh" && nvm use v${NODE_VERSION}
-RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
+# RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
+# RUN . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION}
+# RUN . "$NVM_DIR/nvm.sh" && nvm use v${NODE_VERSION}
+# RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
+
 RUN node --version
 RUN npm --version
 RUN npm install
 
-# 5. Expose Port and define the command used to run the app
+# 5. A: Remove dependencies
+RUN apk del \
+    linux-headers \
+    build-base \
+    openssh \
+    tzdata \
+    openssl-dev \
+    bzip2-dev \
+    zlib-dev \
+    xz-dev \
+    sqlite-dev \
+    readline-dev \
+    libffi-dev \
+    gdbm-dev \
+    gobject-introspection-dev \
+    cairo-dev
+
+RUN rm -rf /tmp/*
+RUN rm -rf /opt/nvm/.cache
+RUN rm /app/requirements.txt
+
+# 6. Expose Port and define the command used to run the app
 EXPOSE 9999
 CMD ["npm", "run", "start-verbose"]