Add .devcontainer files

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

.devcontainer/Dockerfile

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+# Update the VARIANT arg in docker-compose.yml to pick an Elixir version: 1.9, 1.10, 1.10.4
+ARG VARIANT="1.12.3"
+FROM elixir:${VARIANT}
+
+# This Dockerfile adds a non-root user with sudo access. Update the “remoteUser” property in
+# devcontainer.json to use it. More info: https://aka.ms/vscode-remote/containers/non-root-user.
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Options for common package install script
+ARG INSTALL_ZSH="true"
+ARG UPGRADE_PACKAGES="true"
+ARG COMMON_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/v0.209.6/script-library/common-debian.sh"
+ARG COMMON_SCRIPT_SHA="d35dd1711454156c9a59cc41ebe04fbff681ca0bd304f10fd5b13285d0de13b2"
+
+# Optional Settings for Phoenix
+ARG PHOENIX_VERSION="1.6.2"
+
+# [Optional] Setup nodejs
+ARG NODE_SCRIPT_SOURCE="https://raw.githubusercontent.com/microsoft/vscode-dev-containers/main/script-library/node-debian.sh"
+ARG NODE_SCRIPT_SHA="dev-mode"
+ARG NODE_VERSION="none"
+ENV NVM_DIR=/usr/local/share/nvm
+ENV NVM_SYMLINK_CURRENT=true
+ENV PATH=${NVM_DIR}/current/bin:${PATH}
+
+# [Optional, Choice] Node.js version: none, lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="none"
+
+# Install needed packages and setup non-root user. Use a separate RUN statement to add your own dependencies.
+RUN apt-get update \
+  && export DEBIAN_FRONTEND=noninteractive \
+  && apt-get -y install --no-install-recommends curl ca-certificates 2>&1 \
+  && curl -sSL ${COMMON_SCRIPT_SOURCE} -o /tmp/common-setup.sh \
+  && ([ "${COMMON_SCRIPT_SHA}" = "dev-mode" ] || (echo "${COMMON_SCRIPT_SHA} */tmp/common-setup.sh" | sha256sum -c -)) \
+  && /bin/bash /tmp/common-setup.sh "${INSTALL_ZSH}" "${USERNAME}" "${USER_UID}" "${USER_GID}" "${UPGRADE_PACKAGES}" \
+  #
+  # [Optional] Install Node.js for use with web applications
+  && if [ "$NODE_VERSION" != "none" ]; then \
+  curl -sSL ${NODE_SCRIPT_SOURCE} -o /tmp/node-setup.sh \
+  && ([ "${NODE_SCRIPT_SHA}" = "dev-mode" ] || (echo "${NODE_SCRIPT_SHA} */tmp/node-setup.sh" | sha256sum -c -)) \
+  && /bin/bash /tmp/node-setup.sh "${NVM_DIR}" "${NODE_VERSION}" "${USERNAME}"; \
+  fi \
+  #
+  # Install dependencies
+  && apt-get install -y build-essential \
+  #
+  # Clean up
+  && apt-get autoremove -y \
+  && apt-get clean -y \
+  && rm -rf /var/lib/apt/lists/* /tmp/common-setup.sh /tmp/node-setup.sh
+
+RUN su ${USERNAME} -c "mix local.hex --force \
+  && mix local.rebar --force \
+  && mix archive.install --force hex phx_new ${PHOENIX_VERSION}"
+
+RUN apt-get update \
+  && export DEBIAN_FRONTEND=noninteractive \
+  && apt-get -y install --no-install-recommends cmake webp bash libncurses6 git python3 inotify-tools \
+  && apt-get autoremove -y \
+  && apt-get clean -y \
+  && rm -rf /var/lib/apt/lists/*
+
+# [Optional] Uncomment this line to install additional package.
+# RUN  mix ...

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.209.6/containers/elixir-phoenix-postgres
+{
+	"name": "Elixir, Phoenix, Node.js & PostgresSQL (Community)",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "elixir",
+	"workspaceFolder": "/workspace",
+
+	// Set *default* container specific settings.json values on container create.
+	"settings": {
+		"sqltools.connections": [{
+			"name": "Container database",
+			"driver": "PostgreSQL",
+			"previewLimit": 50,
+			"server": "localhost",
+			"port": 5432,
+			"database": "postgres",
+			"username": "postgres",
+			"password": "postgres"
+		}]
+	},
+
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"jakebecker.elixir-ls",
+		"mtxr.sqltools",
+		"mtxr.sqltools-driver-pg"
+	],
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [4000, 4001, 5432],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "mix deps.get",
+	// "runArgs": ["--userns=keep-id", "--privileged"],
+	// "containerUser": "vscode",
+	// "containerEnv": {
+	// 	"HOME": "/home/vscode",
+	// },
+	// "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind,Z",
+
+	// Uncomment to connect as a non-root user. See https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}

.devcontainer/docker-compose.yml

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+version: "3.8"
+
+services:
+  elixir:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      args:
+        # Elixir Version: 1.9, 1.10, 1.10.4, ...
+        VARIANT: "1.13.1"
+        # Phoenix Version: 1.4.17, 1.5.4, ...
+        PHOENIX_VERSION: "1.6.6"
+        # Node Version: 10, 11, ...
+        NODE_VERSION: "16"
+
+    volumes:
+      - ..:/workspace:z
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:db
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+    environment:
+      MOBILIZON_INSTANCE_NAME: My Mobilizon Instance
+      MOBILIZON_INSTANCE_HOST: localhost
+      MOBILIZON_INSTANCE_HOST_PORT: 4000
+      MOBILIZON_INSTANCE_PORT: 4000
+      MOBILIZON_INSTANCE_EMAIL: noreply@mobilizon.me
+      MOBILIZON_INSTANCE_REGISTRATIONS_OPEN: "true"
+      MOBILIZON_DATABASE_PASSWORD: postgres
+      MOBILIZON_DATABASE_USERNAME: postgres
+      MOBILIZON_DATABASE_DBNAME: mobilizon
+      MOBILIZON_DATABASE_HOST: db
+
+  db:
+    image: postgis/postgis:latest
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: app
+
+volumes:
+  postgres-data: null